Action of Heat on Substances MCQ

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Action of Heat on Substances MCQ. We covered all the Action of Heat on Substances MCQ in this post for free so that you can practice well for the exam.

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Action of Heat on Substances Practice Bits for Students

The colour of zinc oxide on heating

1. Brown

2. Yellow

3. White

4. Bluish green

Option 2 – Yellow

The colour of Copper carbonate is

1. Reddish brown

2. Black

3. Dull greenish

4. None

Option 3 – Dull greenish

‘Ice’ melting into water is an example of

1. Chemical change

2. Physical change

3. Both (1) and (2)

4. None of the above

Option 2 – Physical change

The colour of lead oxide on heating

1. Yellow

2. White

3. Brown

4. Green

Option 3 – Brown

Lighting a match stick is an example of :

1. Physical

2. Chemical

3. Both (1) and (2)

4. None

Option 2 – Chemical

…… change cannot be easily reversed.

1. Chemical change

2. Physical change

3. Both (1) and (2)

4. None

Option 1 – Chemical change

This change can be reversed easily

1. Physical change

2. Chemical change

3. Both (1) and (2)

4. None

Option 2 – Chemical change

Which of the following belongs to physical change?

1. New substances are formed

2. Energy is not released

3. Energy is absorbed

4. Temporary change

Option 4 – Temporary change

The colour of copper oxide

1. Dull greenish

2. Reddish brown

3. Black

4. Grey

Option 3 – Black

The colour of lead oxide when cooled

1. Yellow

2. Greenish

3. Brown

4. Pink

Option 1 – Yellow

The colour of zinc oxide when cooled is

1. Reddish brown

2. Brown

3. Yellow

4. Dull greenish

Option 1 – Reddish brown

The colour of nitrogen dioxide is

1. Reddish brown

2. Dull greenish

3. Bluish green

4. Pale yellow

Option 1 – Reddish brown

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