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Inter-conversion of States

Choose the co...

Question

Choose the correct option regarding the statements given below.
Statement A: Heating can bring about a change.
Statement B: Cooling can bring about a change.

Only statement A is correct.

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Only statement B is correct.

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Both A and B are correct.

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Neither one is correct.

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Solution

The correct option is C
Both A and B are correct.

Water on heating changes to water vapour. Also, water on cooling changes to ice. So, we can say that heating and cooling are the factors which brings change in a substance.

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Similar questions

Statement B: Cooling can also bring about change.

Select the correct option about the given statements.

Statement B: Cooling a metal can also bring about change in its shape.

A

B

A

B

Choose the correct statements regarding momentum.

Statement 1: Momentum has both direction and magnitude.

Statement 2: SI unit of momentum is $k g m s^{- 1}$

Statement 3: A balanced force can create a change in velocity.

Statement 4: An unbalanced force can create a change in velocity.

Statement 5: A balanced force can create a change in momentum.

Statement 6: A unbalanced force can create a change in momentum.

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