Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Past Boards > Past Boards Shuffled > Flashcards

Past Boards Shuffled Flashcards

1
Q

Number of carbon atoms in olvanil

A

C26 H43 NO3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Who discovered x ray?

A

Wilhelm Conrad Roentgen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Method of oxidatively cleaning alkenes or alkynes using ozone, a reactive allotrope of oxygen

A

Ozonolysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Center of atom

A

Nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Blanket of pollutants

A

Primary, secondary

Note: BLANKET (Base-Line Network of the EPA Tasmania

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Pollutant produced from coal and petroleum

A

CO2 and SO2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Nearest layer of atmosphere from earth’s surface

A

Troposphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

It is a method of N-terminal residue analysis of a peptide chain in which the terminal amino acid reacts with phenyl isothiocyanate to form a substituted thiourea which is then hydrolyzed mildly with acid to remove the N terminal residue as a phenylthiohydantoin for identification

A

Edman degradation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Chemical reaction of sunlight, nitrogen oxides and volatile organic compounds in the atmosphere

A

Photochemical Smog

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Six Criteria Pollutants

A 
POLSCN
Particulate matter
Ozone
Lead
Sulfur dioxide
Carbon Monoxide
Nitrogen Oxides
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Chemical formula and molecular weight of 11 tetradecenyl Acetate

A

C16 H30 O2

MW 254.414

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the product when ethanoyl chloride is reacted with propanol?

A

Propyl ethanoate

Reaction: Ethanoyl chloride + propanol-> propyl ethanoate + hydrogen chloride

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the primary use of ethylene?

A

Ripening of fruits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the contaminants which BTEX refers to?

A

Benzene, Toluene, Ethyl Benzene, Xylene isomers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the heat of reaction when ethylene is hydrogenated to ethane?

A

🔼H=-296 kj

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Where is an enzyme CAPSAICIN commonly found?

A

SHU (Scoville Heat Units)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is the other name of bulk temperature?

A

Mixing up temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the method that Wolher do to break the vital force theory in nature?

A

Heating of NH4Cl with AgCN to form Urea(NH2)2CO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What law is the PRC Modernization Act?

A

RA 8981 -PRC Modernization Act of 2000 (Repealed PD 223)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Arrange the following substance in terms of increasing melting points
Palmitic
Oleic
Stearic

A

Oleic< Palmitic < Stearic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the common form of Nitro-glycerol?

A

Nitroglycerin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Definition of Polar Bond

A

Bonding of heteronuclear molecules with UNEQUAL sharing of electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q 
Which of the ff functional group is the most polar and least polar?
ROH
RNH2
RCOOH
C TRIPLE BOND C
C-C
A

Most Polar : ROH

Least Polar : C-C and C triple bond C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the range of melting point of fatty acids?

A

-11 to 70

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What is true about alkyl halides and ordinary HC’s?

A

Higher boiling point, lower density of alkyl halides compared to ordinary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Dehydrogenation of propane

A

Propene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Base structure of aspirin is

A

Benzene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Reaction of benzene where the product is phenol

A

Hydration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Which of the following is used as sacrificial lamb for Fe?

A

Zinc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

A subatomic particle with the same mass as an electron but of a positive charge

A

Positron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Which is true about ionic radius of positively charged and negatively charged?

A

Positively charged ions : have SMALLER radius then neutral

Negatively charged ions : have longer radius then neutral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Which has larger Ionic radii , positively charged or negatively charged or neutral?

A

->0>+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Constitutional isomers: which is a true statement?

A

Same MW, same molecular, same connectivity, same physical properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

A metabolic pathway that results in the generation of glucose from non-carbohydrate carbon substrates such as lactate, glycerol, and glucogenic amino acids

A

Gluconeogenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What can be formed from starch?

A

Glucose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Cloth wrap in Jesus Christ, what happened after subjecting to C-H dating?

A

There is a result and the cloth seemed to be younger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Use of zinc oxide

A

Sunblock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Who discovered radioactivity?

A

Henri Becquerel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Property exhibited by certain types of matter of emitting energy and subatomic particles spontaneously. It is the essence, an attribute of individual nuclei.

A

Radioactivity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Who discovered vulcanized rubber?

A

Charles Goodyear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

What is the common characteristic of Citric Acid and Malic Acid?

A
  • Both are intermediate of the Citric Acid Cycle (Kreb’s Cycle)
  • Both are responsible for sour taste of some fruits
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Effect in mass number and atomic number of alpha emission

A

(-4,-2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Nucleus of an atom splits into smaller parts. Produces free neutrons and gamma photons and releases a very large amount of energy

A

Nuclear fission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Isotopes have

A
  • similar chemical properties (same no of electrons)
  • different physical properties (different no of neutrons)
  • different radioactive properties (depending on nuclear structure)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Atomic mass unit is defined as

A

Exactly 1/12 of the mass of a carbon-12 atom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

What is the common use of EDTA (Ethylenediamene tetraacetic acid)?

A

Chelating or sequestering agent for metal cations

Also known as sodium calcium edetate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Is it possible to have a pH equal to 0?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Chemical formula of Aspirin

A

In handbook : CH3CO2C6H4CO2H(C9H8O4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

What element has the symbol Tb?

A

Terbium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Most stable isotope of Boron

A

Boron-10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Most penetrating radiation

A

Gamma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Molecular formula of sucrose

A

C12H12O11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Person behind carbon dating

A

Willard Libby

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Which of the following decrease in entropy

A

Melting of ice

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

What is the solid part of the earth’s crust

A

Lithosphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

In IR spectroscopic analysis of solids, the sample is mixed with special, inert mineral oil to have a very thick suspension before being placed in the spectrometer

A

Nujol mull process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

What is the sign convention of enthalpy during endothermic reaction?

A

+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

What is the polymer used for printing and coating?

A

Epoxy Polymer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Another name for taurine

A

2-aminoethanesulfonate acid (C2H7NO3S) pKa 9.06

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q 
Which float or sink in water?
Balsa wood
Ethelyne glycol
Table salt
Ethanol
A

Float
Sink
Sink
Float

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

3 alphe emissions and 2 beta emissions of Rn-222

A

Pb-210

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

It is the heterolytic reaction in which a nucleophile (basic, electron rich reagent) attacks the nucleus of a carbon in another molecule, resulting in substitution.

A

Nucleophilic substitution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

Which of the following compounds is a synthetic dye?

A

Alizarin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

At constant temperature, amount of gas dissolved in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid

A

Henry’s Law

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

In quantum mechanics, it is a principle which states that values of particular pairs of observables cannot be determined simultaneously with arbitrarily high precision.

A

Heisenberg uncertainty principle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Used for measuring the density of milk

A

Lactomer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

What amino acid has sulfur containing group?

A

Methionine, cysteine, homocysteine, taurine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

Product of distillation of coal tar?

A

Phenol

69
Q

Temperature on the moon

A

-183 C at night

106 C during day

70
Q

What happens to the pH of carbonated drinks if it is open in atmospheric condition?

A

Increases

71
Q

Breaking down of organic matter

A

Catabolism

72
Q

Building up of components of the cell

A

Anabolism

73
Q

Set of sustaining chemical transformations within the cell of an organism

A

Metabolism

74
Q

Representation of nuclear fission

A

Deuterium tritium reaction

75
Q

Artificial radioactivity

A

Induced radioactivity

76
Q

Hydrogen fusion reaction

A

Natural radioactivity

77
Q

What protein is capable of undergoing a reduction process?

A

Cysteine

78
Q

Any non zero function in a space that returns from the operator exactly as is except for a multiplicative scaling factor

A

Eigen function

79
Q

Notation of alkane containing Cl

A

Chloro

80
Q 
Which of the following is not dependent of temperature?
Grey body
Black body
White body
Plasma
A

Black body

81
Q

Determine the sign of charge carriers in a conductor

A

Hall effect

82
Q

SCADA

A

Supervisory Control and Data Acquisition

83
Q

Control industrial processes locally or at remote areas

Monitor, gathers, and process real-time data

Record events in a log file

A

SCADA

84
Q 
Which generation?
Monolithic
Networked
Internet of things
Distributed
A

1st, 3rd, 4th, 2nd

85
Q

Semi empirical system for the prediction of non-electrolyte activity in non ideal mixtures

A

UNIFAC method

86
Q

Uses the functional groups present on the molecules that make up the liquid mixture to calculate activity coefficients

A

UNIFAC method

87
Q

Simplest type of control commonly expressed as having an off-on or 2 position action

A

Bang bang

88
Q

Type of ultrasonic flow meter that is counter propagating type

A

Doppler

89
Q

Thermodynamics liquid phase: which of the following is true

A

Volume expansivity is always less that 1

90
Q

Occurs when the saturated vapor comes in contact with the surface whose temperature is below the saturation temperature

A

Condensation

91
Q

Process control

A

Linear programming

92
Q

An instrument based upon the variable time delays received sound waves which arise when a flowing liquids rate of flow is varied

A

Ultrasonic flowmeters

93
Q

Production of sodium sulfate (Na2SO4)

A

Hagreave’s process

94
Q

Calculation of compressibility factor which applies for a high pressure condition

A

Z=1+(BP/RT)

95
Q

If the concentration of the reactant increases, the half life decreases, that order of reaction is this?

A

2nd order reaction

96
Q

Which of the following is directly proportional to the concentration of the reactant?

A

Zero order

97
Q

How is the fluctuation in the process controlled?

A

Equipping instrument with integral controller

98
Q

What do you call the temperature in which the reaction cannot be controlled?

A

Runaway temperature

99
Q

Other term for earth wax

A

Ozocerite

100
Q

Other name for yamatake system

A

Azbil

101
Q

What is used in ultrasonic flow meters?

A

Doppler

102
Q

Electronic noise inside an electric conductor which is independent of applied voltage

A

Johnson’s noise

103
Q

Difference between measured value and set value

A

Error

104
Q

Which of the ff industry generates its own electricity aside from its main product

A

Sugar industry

105
Q

Instrument that is used for no contact between material or vessel and temperature measuring device

Pyrometer
RTD
Thermocouple
Thermistor

A

Pyrometer

106
Q

Pump that is used for zero leakage and for hazardous and radioactive materials

Adiabatic
Centrifugal
Diaphragm

A

Diaphragm

107
Q

Given dV/V= Bdt -kdP, when will it become incompressible fluid?

A

Both B and K are zero

108
Q

Industry that acts as a power plant itself

A

Sugar industry

109
Q

First step of experimentation process for the determination of rate constant

A

Independence of concentration with time

110
Q

Simplest type of pressure measuring device

A

Manometer

111
Q

Ultrasonic flowmeters are based on

A

In handbook - sound waves

112
Q

Proportional controller, what additional controller is added?

A

Automatic reset

113
Q

Hydrogen, suitable equipment to be used

A

Pt-Ni

114
Q

Most important role of Boltzmann constant in physics and ideal gas

A

Bridge

115
Q

Part of turbulent velocity profile where velocity is constant

A

Viscous/ laminar sublayer

116
Q

Operation of a transport system outside of timetable such that delays in arrival and departure from defined locations are present

A

Perturbation

117
Q

Occurs when the same change in the controller output in both directions results in a different change in the process value

A

Hysteresis

118
Q

Mixture of CO, H2, N2, and CO2 made by the partial combustion of coal in air

A

Producer gas

119
Q

Why is the groundwater not economical?

A

Scaling, pre-treatment, pumping cost

120
Q

Trays used to guide liquid flow an upper tray to a lower tray

A

Downcomer trays

121
Q

Mix and match :
1.Simply creating turbulence in the vessel
2. Thoroughly combining different materials to produce homogeneous product
3. Gentler process compared to mixing
Agitation
Blending
Mixing

A

1 Agitation
2 mixing
3 blending

122
Q

Production of sodium sulfate (Na2SO4)

A

Hagreave’s process

123
Q

Calculation of compressibility factor which applies for a high pressure condition

A

Z=1+(BP/RT)

124
Q

If the concentration of the reactant increases, the half life decreases, that order of reaction is this?

A

2nd order reaction

125
Q

Which of the following is directly proportional to the concentration of the reactant?

A

Zero order

126
Q

How is the fluctuation in the process controlled?

A

Equipping instrument with integral controller

127
Q

What do you call the temperature in which the reaction cannot be controlled?

A

Runaway temperature

128
Q

Other term for earth wax

A

Ozocerite

129
Q

Other name for yamatake system

A

Azbil

130
Q

What is used in ultrasonic flow meters?

A

Doppler

131
Q

Electronic noise inside an electric conductor which is independent of applied voltage

A

Johnson’s noise

132
Q

Difference between measured value and set value

A

Error

133
Q

Which of the ff industry generates its own electricity aside from its main product

A

Sugar industry

134
Q

Instrument that is used for no contact between material or vessel and temperature measuring device

Pyrometer
RTD
Thermocouple
Thermistor

A

Pyrometer

135
Q

Pump that is used for zero leakage and for hazardous and radioactive materials

Adiabatic
Centrifugal
Diaphragm

A

Diaphragm

136
Q

Flowmeter not affected by radial velocity

A

Ultrasonic flowmeter

137
Q

Reactor that the concentration changes at a certain point

A

Plug flow

138
Q

Source of Potassium salt

A

Syvile

139
Q

Greatest influence for a chemical reaction

A

Slowed step

140
Q

What concept is not directly or solved and there’s no exact definition

A

Internal energy

141
Q

What process in Otto cycle is unique and not present in other cycles?

A

Constant volume heat addition

142
Q

Component that contains kerogen

A

In handbook - oil shale

143
Q 
Number of gasified needed for natural gas
3
4
5
6
A

?

144
Q

Difference between integral and differential control?

A

Integral is better

145
Q

Proportional controller, what additional controller is added?

A

Automatic reset

146
Q

Hydrogen, suitable equipment to be used

A

Pt-Ni

147
Q

Most important role of Boltzmann constant in physics and ideal gas

A

Bridge

148
Q

Part of turbulent velocity profile where velocity is constant

A

Viscous/ laminar sublayer

149
Q

Operation of a transport system outside of timetable such that delays in arrival and departure from defined locations are present

A

Perturbation

150
Q

Occurs when the same change in the controller output in both directions results in a different change in the process value

A

Hysteresis

151
Q

Mixture of CO, H2, N2, and CO2 made by the partial combustion of coal in air

A

Producer gas

152
Q

Why is the groundwater not economical?

A

Scaling, pre-treatment, pumping cost

153
Q

Trays used to guide liquid flow an upper tray to a lower tray

A

Downcomer trays

154
Q

Mix and match :
1.Simply creating turbulence in the vessel
2. Thoroughly combining different materials to produce homogeneous product
3. Gentler process compared to mixing
Agitation
Blending
Mixing

A

1 Agitation
2 mixing
3 blending

155
Q

A vessel or stage in which two liquids of different densities are allowed to separate by gravity

A

Gravity decanter

156
Q

Analysis of how successfully a project can be completed, accounting for economic, technological, pegal, and scheduling factor

A

Feasibility study

157
Q

Determine how different values of an independent variable impact a particular dependent variable under a given set of assumptions

A

Sensibility analysis

158
Q

Gas absorption packings

A

Intalox metal

159
Q

What can be extracted from bauxite ore?

A

Alumina

160
Q

Process where an acetyl function is transferred from one molecule to another

A

Acetylation

161
Q

Addition or removal of an acetyl group on lysine residues in N-terminal tail and on the surface of the nucleosome core of histone process

A

Histone acetylation

162
Q

Flow per unit cross sectional area of a porous medium

A

Darcy velocity

163
Q

Describes the flow of a fluid through a porous medium based on experiments kn the flow of water through beds of sand

A

Darcy’s law

164
Q

Pioneered use of zeolite in water softening

A

Robert Gans

165
Q

Gas molecules must diffuse from the main body of the gas phase to the gas-liquid interface then cross this interfere into the liquid side and finally diffuses from the interface into the main body of the liquid

A

Film theory

166
Q

Allows estimation of saturated vapor pressure at a given temperature for all components for which the critical pressure l, the critical temperature and Accentric factor are known applicable any for non Polar and slightly polar

A

Lee-Kesler Method

167
Q

Based on three assumptions of how ions act in solution

Linearized poisson-Boltzmann model

greater the charge on the ions, the larger the deviation from ideology

A

Debye Huxley theory

168
Q

Spent shale which has been used in the production of cement

A

Oil shale

Past Boards (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions