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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