Physical Change

Q.

Pottery makers create different types of dishes and pots using clay. Molding of clay is ________change.

1. Physical

2. Irreversible

3. Periodic

4. Chemical

Q.

Which of the following is NOT a feature of a physical change?

1. It is reversible.

2. It is temporary.

3. No new substance is formed.

4. The composition of the substance changes.

Q. Statement 1: Melting is a physical change as the melted wax can again be obtained as solid wax upon the removal of heat.
Statement 2: Burning of wax is a chemical change, as once the wax has been burnt, it cannot be obtained back in its original form.
Which of the following statements is correct?

1. Statement 1 is correct
2. Statement 2 is correct
3. Both 1 and 2 are correct
4. Both 1 and 2 are incorrect

Q.

Conversion of water into water vapour during evaporation is a

1. Physical change

2. Chemical change

3. No change

4. Cannot determine

Q. Which of the following is a physical change?

1. The burning of fossil fuels.
2. Mixing inks of two different colours.
3. Cooking an egg.
4. Mixing of vinegar and baking powder.

Q. Physical changes can cause changes in the chemical properties as well.

1. True
2. False

Q.

A paper is used to make a paper plane. This is a ___ change. (physical/chemical)

Q.

Which among the following is a physical change?

1. Burning of magnesium ribbon

2. Conversion of an ice cube to water

3. Rusting of iron

4. Cooking an egg

Q. Digestion of food is an example of a physical change.

1. True
2. False

Q. Which of the following are physical changes?

1. Melting of ice
2. Burning of wood
3. Clouds formation
4. Rusting of iron
5. Melting of wax
6. Tearing of paper
7. Boiling of water
8. Cooling of water