Question 1

Which of the following is a chemical change?

Accepted Answer

Burning wood

Answer

Melting ice

Answer

Dissolving sugar in water

Answer

Cutting paper

Question 2

Which of the following describes a physical property of a substance?

Accepted Answer

Color

Answer

Reactivity with acid

Answer

Rusting

Answer

Flammability

Question 3

What type of change occurs when ice melts into water?

Accepted Answer

Physical change

Answer

Chemical change

Answer

Nuclear change

Answer

Biological change

Question 4

Which of the following is an example of a chemical property?

Accepted Answer

Ability to rust

Answer

Melting point

Answer

Density

Answer

Boiling point

Question 5

What happens during a chemical change?

Accepted Answer

New substances are formed

Answer

The mass of the substance increases

Answer

The temperature always decreases

Answer

The state of matter never changes

Question 6

Which of the following is an example of a physical change?

Accepted Answer

Chopping wood

Answer

Digesting food

Answer

Baking a cake

Answer

Burning gasoline

Question 7

Which of the following describes a chemical change?

Accepted Answer

Vinegar reacting with baking soda

Answer

Freezing water

Answer

Crushing a can

Answer

Dissolving salt in water

Question 8

Which of the following is a physical property of a material?

Accepted Answer

Melting point

Answer

pH level

Answer

Combustibility

Answer

Oxidation state

Question 9

Which of the following is an indicator of a chemical change?

Accepted Answer

Color change

Answer

Mass increase

Answer

Shape change

Answer

Phase change

Question 10

Which of the following best describes a physical change?

Accepted Answer

Dissolving sugar in water

Answer

Rust forming on iron

Answer

Cooking an egg

Answer

Burning a candle

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