Question 1

Which of the following is a chemical change?

Accepted Answer

Cooking an egg

Answer

Blowing bubbles

Answer

Brushing your teeth

Answer

Slicing a banana

Question 2

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

Accepted Answer

Burning wood

Answer

Melting ice

Answer

Cutting paper

Answer

Mixing sugar and water

Question 3

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

Accepted Answer

Melting butter

Answer

Burning paper

Answer

Rusting metal

Answer

Baking a cake

Question 4

Which of the following is a physical change?

Accepted Answer

Melting ice cream

Answer

Rusting iron

Answer

Burning paper

Answer

Decomposing fruit

Question 5

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

Accepted Answer

Boiling water

Answer

Cooking an egg

Answer

Digesting food

Answer

Baking a cake

Question 6

What is a chemical change?

Accepted Answer

A process that results in the formation of new substances with different properties.

Answer

A process that involves the rearrangement of atoms without forming new substances.

Answer

A process that changes the physical state of matter.

Answer

A process that only affects the appearance of a substance but not its chemical composition.

Question 7

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

Accepted Answer

rusting of iron

Answer

shredding paper

Answer

melting of ice

Answer

breaking a glass

Question 8

Which of the following is a characteristic of a chemical change?

Accepted Answer

Formation of new substances

Answer

Change in temperature

Answer

Change in shape

Answer

Change in size

Question 9

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

Accepted Answer

Cutting a piece of paper into smaller pieces

Answer

Cooking an egg

Answer

Mixing vinegar and baking soda

Answer

Burning a piece of wood

Question 10

Which of the following is NOT an example of a physical change?

Accepted Answer

Baking a cake

Answer

Tearing a piece of fabric

Answer

Crushing a can

Answer

Melting an ice cube

Question 11

Which of the following is a physical change?

Accepted Answer

Turning on a light bulb

Answer

Digesting food

Answer

Baking cookies

Answer

Breaking a glass

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