2310

Question 1

Oxidation changes the

Answer 1

Charge

Question 2

What is the Oxidation Number of Cr in the Complex Ion CrF6 F-ligand?

Answer 2

3

Question 3

3 moles of Glucose processes how many moles of Lactate?

Answer 3

6

Question 3

What is the Smallest Unit that retains the Physical Properties?

Answer 3

Atom

Question 4

Which of the following devices is/are Sensitive enough to Measure of Ionizing Radiation?

Answer 4

Geiger Counter and Scintillation Counter

Question 5

Define Gas

Answer 5

It is a state of matter Without Definite Shape and Volume.

Question 6

Choose a process/es that occur/s with Decrease in Entropy

Answer 6

Freezing of Water

Question 7

An Ideal Gas undergoes a Constant Pressure Expansion until it reaches an initial temperature of 300 K. Then it undergoes a Constant Volume Cooling where its Pressure is reduced to ¼. Calculate the Work done.

Answer 7

-1.87 kJ

Question 8

For an Ideal Gas mixture at Constant Temperature and Pressure, the Fugacity ____ with Increase in Mole Fraction

Answer 8

Increases

Question 9

An Erlenmeyer Flask has an egg on its beak and is put to a Bath of Liquid Nitrogen. What happens to its Pressure?

Answer 9

Decreases

Question 10

Which of the following shows the Relationship between Volume and Temperature at Constant Pressure for Ideal Gas?

Answer 10

Charles’ Law

Question 11

Which Temperature Scale is defined as a Fraction of the Triple Point of Water?

Answer 11

Kelvin

Question 12

What is the main Purpose of Joule-Thomson Effect?

Answer 12

Cooling

Question 13

Which Process uses Air to convert Harmful Compounds in wastewater into Less Harmful and Stable products?

Answer 13

Aeration

Question 14

The Concentration of Diazonin has been measured to be 42.8 ug/L. A study of the Tilapia Fish revealed an Average lipid concentration of 30,600 ug/kg. What is the Bioconcentration Factor for the Fish?

Answer 14

715

Question 15

The Concentration of pesticide DDT was found to be 5 micro gram per L in in the Water of a pond. The Bioconcentration for DDT is 54000 L/kg. What is the Concentration of DDT in the Fish living in the pond?

Answer 15

270 mg/kg

Question 16

A Chemical degrades in a flow-balanced, steady-state CMFR according to First-Order Reaction Kinetics. The Upstream concentration of the chemical is 10 mg/L and the Downstream concentration is 2 mg/L. Water is being treated at a rate of 29 m^3/min. The Volume of the tank is 580 m^3. What is the rate of decay?

Answer 16

0.4 mg/L-min

Question 17

Rank the Toxicities in terms of the First Three Most Toxic for the following toxic compounds: DDT, Dieldrin, Arsenic, Heptachlor, and Chromium.

Answer 17

Dieldrin > Heptachlor > Arsenic

Question 18

In which Layer of the Atmosphere is Ozone found?

Answer 18

Stratosphere

Question 19

In the Study of Fats and Lipids, determine which of the Two Glycerides has a Higher melting point? Substance A containing lauric acid and glycerol, or Substance B - containing only stearic acid and glycerol?

Answer 19

B

Question 20

Which amino acid is the Disruptor or Breaker of Secondary Structures?

Answer 20

Proline

Question 21

Diabetic patients are found to have an Increased Ketone Concentration in their bodies. What causes this?

Answer 21

Acetoacetic acid decarboxylates into acetone and CO2, which causes the sweet smell on their breath

Question 22

What is the Product when alpha-amylase acts on amylase?

Answer 22

Oligosaccharides

Question 23

What is the Product of the Oxidation of dopamine?

Answer 23

R-Epinephrine

Question 24

Adenosine triphosphate, when acted with adenylate cyclase, produces

Answer 24

Cyclic adenosine monophosphate and pyrophosphate

Question 25

What is the Role of Ca ions as signaling agent in the synapse?

Answer 25

Sparks or puffs

Question 26

Monosaccharides are colorless, crystalline solids, and are very soluble in water. Why?

Answer 26

True, because of their polar hydroxyl groups

Question 27

Which of the following are true? a.) Nuclear fusion produces radioactive product b.) Nuclear fusion requires very high temperature to an order of 106C c.) Nuclear fusion involves reaction d.) Nuclear fusion releases more energy than fission

Answer 27

A., B., and D. only

Question 28

Tell whether the following is True or False a.) Alpha decay emits 2 protons and 2 neutrons b.) Beta is more penetrating than alpha c.) Negative beta decay loses a neutron d.) Positive beta decay loses a proton

Answer 28

T, T, T, T

Question 29

You are working in a site with Strong Beta particles. What material would you recommend for protection?

Answer 29

Aluminum

Question 30

How does alpha, beta, and gamma particle affect the mass number of an atom?

Answer 30

4, 0, 0

Question 31

If aspirin is made using the raw materials Salicylic Acid and Acetic Anhydride with a yield of 75%, how many grams of Aspirin will be produced?

Answer 31

25

Question 32

Substances whose solutions change Color due to changes in pH.

Answer 32

Indicator

Question 33

Buckyball showed a spectrum Peak of 720 amu. What is its Molecular Formula?

Answer 33

C60

Question 34

What is the buckyball?

Answer 34

A fullerene

Question 35

Define ozonolysis

Answer 35

It is the reaction with ozone followed by reduction in the Presence of Zinc and water.

Question 36

What is the product when an alkyl halide is reacted with hydroxy group?

Answer 36

Alcohol

Question 37

Which of the following is a pair of heterocyclic compounds?

Answer 37

Furan and Pyran

Question 38

What is the product when ethanol is reacted with Potassium Dichromate?

Answer 38

Acetic Acid