Question

B. State whether True or False (T/F).
1. The process in which a liquid changes to its gaseous state at a constant temperature is called boiling.

2. Gases show less expansion on heating.
3. Solids can be easily compressed.
4. Matter contracts on cooling.
5. The substance formed when a gas changes back into its solid state is called sublimate.




C. Fill in the blanks.
1. In gases, the intermolecular space is ..... and the intermolecular force of attraction is .........
2. The increase in the size of a matter on heating is called ..
3. Water expands on ......
4. ........ is one of the chemical changes in which heat and light are produced.

5. The substance formed on solidification of gaseous carbon dioxide is ............
..​

Answer 1

(B)

1. T

2. F

3. F

4. T

5. T

(C)

1. more,less

2. expansion

3. cooling and heating both

4. BURNING

5. dry ice

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