Mock Exam on Matter and Energy
Easy Questions
1. Which of the following is a physical property of water?
a) Reacts with sodium
b) Boiling point of 100°C
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c) Combines with oxygen to form hydrogen peroxide
YE
d) Reacts with chlorine to form hydrochloric acid
2. Which state of matter has a definite shape and volume?
a) Solid
b) Liquid
c) Gas
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d) Plasma
3. Which of the following is an example of a physical change?
a) Iron rusts
b) Ice melts
c) Sugar ferments R
BY
d) Wood burns
4. What is an example of a chemical property?
a) Hardness
b) Density
c) Reactivity with water
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d) Color
5. What type of mixture is air?
a) Homogeneous mixture
b) Heterogeneous mixture
c) Compound
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d) Element
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Medium Questions
6. Which of the following is an example of a heterogeneous mixture?
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a) Salt water
b) Gold
c) Salad
d) Air
7. Which of the following is a characteristic of a compound?
a) Cannot be broken down chemically
b) Has variable composition
c) Made of two or more elements chemically bonded
d) Appears uniform throughout
, 8. What happens when a chemical reaction occurs?
a) The substance's shape changes
b) The components of the substance change
c) Only physical properties are altered
d) The temperature remains constant
9. Which method would be best to separate a mixture of sand and salt?
a) Filtration
b) Distillation
c) Chromatography
d) Evaporation
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10. Which is an example of an exothermic reaction?
YE
a) Melting ice
b) Dissolving salt in water
c) Burning wood
d) Evaporating water
IE
Hard Questions
11. If 100 g of a substance requires 420 J of heat to raise its temperature by 10°C,
what is its specific heat?
a) 4.2 J/g°C
b) 42 J/g°C
R
BY
c) 0.42 J/g°C
d) 4.2 J/g
12. Which of the following would be an example of a chemical change in food?
a) Cutting a cucumber
b) Boiling water for pasta
ED
c) Baking a cake
d) Freezing ice cream
13. When a match is struck, it releases energy. What type of energy is primarily
released?
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a) Thermal energy
b) Chemical energy
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c) Electrical energy
d) Mechanical energy
14. A mixture of oil and water is considered a heterogeneous mixture. What physical
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property causes them to separate into layers?
a) Density
b) Temperature
c) Chemical reactivity
d) Specific heat
15. You are given a metal that requires 7 J to raise its temperature by 5°C. If the metal
has a mass of 10 grams, what is its specific heat?
a) 1.4 J/g°C
b) 7.0 J/g°C
Easy Questions
1. Which of the following is a physical property of water?
a) Reacts with sodium
b) Boiling point of 100°C
L
c) Combines with oxygen to form hydrogen peroxide
YE
d) Reacts with chlorine to form hydrochloric acid
2. Which state of matter has a definite shape and volume?
a) Solid
b) Liquid
c) Gas
IE
d) Plasma
3. Which of the following is an example of a physical change?
a) Iron rusts
b) Ice melts
c) Sugar ferments R
BY
d) Wood burns
4. What is an example of a chemical property?
a) Hardness
b) Density
c) Reactivity with water
ED
d) Color
5. What type of mixture is air?
a) Homogeneous mixture
b) Heterogeneous mixture
c) Compound
N
d) Element
W
Medium Questions
6. Which of the following is an example of a heterogeneous mixture?
O
a) Salt water
b) Gold
c) Salad
d) Air
7. Which of the following is a characteristic of a compound?
a) Cannot be broken down chemically
b) Has variable composition
c) Made of two or more elements chemically bonded
d) Appears uniform throughout
, 8. What happens when a chemical reaction occurs?
a) The substance's shape changes
b) The components of the substance change
c) Only physical properties are altered
d) The temperature remains constant
9. Which method would be best to separate a mixture of sand and salt?
a) Filtration
b) Distillation
c) Chromatography
d) Evaporation
L
10. Which is an example of an exothermic reaction?
YE
a) Melting ice
b) Dissolving salt in water
c) Burning wood
d) Evaporating water
IE
Hard Questions
11. If 100 g of a substance requires 420 J of heat to raise its temperature by 10°C,
what is its specific heat?
a) 4.2 J/g°C
b) 42 J/g°C
R
BY
c) 0.42 J/g°C
d) 4.2 J/g
12. Which of the following would be an example of a chemical change in food?
a) Cutting a cucumber
b) Boiling water for pasta
ED
c) Baking a cake
d) Freezing ice cream
13. When a match is struck, it releases energy. What type of energy is primarily
released?
N
a) Thermal energy
b) Chemical energy
W
c) Electrical energy
d) Mechanical energy
14. A mixture of oil and water is considered a heterogeneous mixture. What physical
O
property causes them to separate into layers?
a) Density
b) Temperature
c) Chemical reactivity
d) Specific heat
15. You are given a metal that requires 7 J to raise its temperature by 5°C. If the metal
has a mass of 10 grams, what is its specific heat?
a) 1.4 J/g°C
b) 7.0 J/g°C
