Chemical and Physical Changes Flashcard

Front

Which of the following is an example of a physical change? Mixing salt and water, Burning wood, Boiling water, Melting ice

Back

Melting ice

Front

What happens to the mass during a chemical change?

Back

The mass remains the same.

Front

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

• Melting ice
• Mixing salt and water
• Burning wood
• Cutting paper

Back

Burning wood

Front

What is the main difference between physical and chemical changes?

Back

Physical changes only affect the physical properties of a substance, while chemical changes result in the formation of new substances.

Front

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

• Melting ice
• Burning wood
• Boiling water
• Mixing salt and water

Back

Melting ice

Front

What is the color change observed during a chemical change called?

Back

chemical reaction

Front

Example of a chemical change:

• Burning of wood
• Cutting a piece of paper
• Mixing of salt and water
• Melting of ice

Back

Burning of wood

Front

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

Back

sublimation

Front

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

• Melting ice
• Mixing salt and water
• Burning wood
• Boiling water

Back

Melting ice

Front

What is the process of a gas changing into a liquid called?

Back

condensation