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Audusa GCSE Yagug Physics > P1 Conservation And Dissipation Of Energy > Flashcards

P1 Conservation And Dissipation Of Energy Flashcards

(79 cards)

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1
Q

What is the atomic number of carbon?

A

6

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2
Q

What is the chemical formula for water?

A

H2O

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3
Q

True or False: The pH scale ranges from 0 to 14.

A

True

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4
Q

What is the process of a solid turning directly into a gas called?

A

Sublimation

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5
Q

What type of bond involves the sharing of electron pairs?

A

Covalent bond

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6
Q

Fill in the blank: The unit for measuring the amount of substance is the ______.

A

Mole

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7
Q

What is the chemical symbol for sodium?

A

Na

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8
Q

What is the main gas produced during respiration?

A

Carbon dioxide (CO2)

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9
Q

What do you call a reaction that absorbs heat?

A

Endothermic reaction

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10
Q

What is the term for the amount of energy required to break a bond?

A

Bond energy

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11
Q

True or False: Acids turn litmus paper blue.

A

False

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12
Q

What is the chemical formula for sodium chloride?

A

NaCl

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13
Q

What is the main component of natural gas?

A

Methane (CH4)

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14
Q

What is the law that states mass is neither created nor destroyed in a chemical reaction?

A

Law of conservation of mass

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15
Q

What is the term for a mixture that has a uniform composition throughout?

A

Homogeneous mixture

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16
Q

Fill in the blank: The process of separating a liquid from a solid by boiling is called ______.

A

Distillation

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17
Q

What is the chemical formula for glucose?

A

C6H12O6

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18
Q

What is the term for a substance that speeds up a chemical reaction without being consumed?

A

Catalyst

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19
Q

True or False: Bases turn phenolphthalein pink.

A

True

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20
Q

What is the common name for dihydrogen monoxide?

A

Water

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21
Q

What is the primary gas in the Earth’s atmosphere?

A

Nitrogen (N2)

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22
Q

What is the term for the smallest unit of an element that retains its properties?

A

Atom

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23
Q

What is the chemical symbol for iron?

A

Fe

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24
Q

Fill in the blank: The process of a gas turning into a liquid is called ______.

A

Condensation

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25
What is the main product of photosynthesis?
Glucose (C6H12O6)
26
What is the term for a reaction that releases heat?
Exothermic reaction
27
What is the chemical formula for sulfuric acid?
H2SO4
28
True or False: An ion is a charged atom.
True
29
What is the term for a solution that can conduct electricity?
Electrolyte
30
What is the chemical formula for ammonia?
NH3
31
What is the process of breaking down glucose in the absence of oxygen called?
Anaerobic respiration
32
What is the term for the energy stored in chemical bonds?
Chemical potential energy
33
What is the primary component of the Earth's crust?
Silicon dioxide (SiO2)
34
Fill in the blank: The number of protons in an atom is called its ______.
Atomic number
35
What is the main use of limestone in chemical industry?
To produce calcium oxide (quicklime)
36
What is the chemical formula for carbon dioxide?
CO2
37
True or False: All acids produce hydrogen ions in solution.
True
38
What is the process of combining two or more substances to form a new substance called?
Chemical reaction
39
What is the term for the substance that is dissolved in a solution?
Solute
40
What is the chemical formula for ethanol?
C2H5OH
41
What is the term for the temperature at which a liquid boils?
Boiling point
42
Fill in the blank: The process of removing water from a substance is called ______.
Dehydration
43
What is the main gas released during combustion?
Carbon dioxide (CO2)
44
What is the term for the force that holds atoms together in a molecule?
Chemical bond
45
What is the chemical symbol for potassium?
K
46
True or False: A saturated solution contains more solute than it can dissolve.
False
47
What is the term for the amount of space an object occupies?
Volume
48
What is the chemical formula for hydrochloric acid?
HCl
49
What is the term for the negatively charged particle in an atom?
Electron
50
Fill in the blank: The ______ is the central part of an atom containing protons and neutrons.
Nucleus
51
What is the term for a mixture that can be easily separated?
Heterogeneous mixture
52
What is the chemical formula for calcium carbonate?
CaCO3
53
True or False: A base is a substance that can accept protons.
True
54
What is the process of a liquid turning into a gas called?
Evaporation
55
What is the chemical symbol for gold?
Au
56
Fill in the blank: The ______ is a measure of how acidic or basic a solution is.
pH
57
What is the term for a reaction that occurs in the presence of oxygen?
Combustion
58
What is the chemical formula for nitric acid?
HNO3
59
True or False: Metals tend to lose electrons to form cations.
True
60
What is the term for a solution that is unable to dissolve any more solute?
Saturated solution
61
What is the chemical formula for propanol?
C3H7OH
62
What is the term for the energy needed to start a chemical reaction?
Activation energy
63
Fill in the blank: The ______ is the measure of the average kinetic energy of particles in a substance.
Temperature
64
What is the chemical symbol for chlorine?
Cl
65
What is the term for a reaction that occurs without the need for external energy?
Spontaneous reaction
66
What is the chemical formula for acetic acid?
CH3COOH
67
True or False: Ionic compounds typically have high melting points.
True
68
What is the process of adding heat to a solid to convert it to a liquid called?
Melting
69
What is the chemical symbol for mercury?
Hg
70
Fill in the blank: The ______ is the part of a solution that is present in the greatest amount.
Solvent
71
What is the term for the energy released when a bond is formed?
Bond formation energy
72
What is the chemical formula for calcium hydroxide?
Ca(OH)2
73
True or False: All metals are good conductors of electricity.
False
74
What is the term for the process of breaking down a compound into simpler substances?
Decomposition
75
What is the chemical formula for sodium bicarbonate?
NaHCO3
76
What is the term for the process of converting a liquid to a solid?
Freezing
77
Fill in the blank: The ______ is the smallest particle of an element that retains its chemical properties.
Atom
78
What is the term for the amount of solute in a given amount of solvent?
Concentration
79
What is the chemical formula for potassium nitrate?
KNO3

Audusa GCSE Yagug Physics (2 decks)

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