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Class 11 Physics Practice Test: Thermal Properties of Matter - Change of State
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A change of state is a physical change in a matter. They are reversible changes and do not involve any changes in the chemical makeup of the matter.

Common changes of the state include melting, freezing, sublimation, deposition, condensation, and vaporization.

Class 11 Physics Practice Test: Thermal Properties of Matter - Change of State
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10 Questions

1. Condensation temperature is the same as evaporation temperature. True or False?
2. Change of phase occurs at a constant temperature, which implies that even on addition of heat to a substance temperature remains constant. True or False?
3. If 5g of a solid requires 30cal of heat to change into liquid at the same temperature, calculate the latent heat of fusion in cal/g.
4. Getting burnt by steam is less dangerous than boiling water. True or False?
5. Select the correct statement
6. Melting point depends on pressure. True or False?
7. What is regelation?
8. What happens to the boiling point of water in a container when the container is completely closed by a lid?
9. The diagram given below shows phase changes for a substance based on experimental observations. Select the correct statement.
10. Select the correct statement for melting of any substance.

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