Question

Q.4 Fill in the blanks with the correct words for each of the statements given below: 191
1 Sublimation is
[considered/not considered) a change of state of matter
2. Sublimation involves a (chemical/physical] change
3. During sublimation a solid on heating turns directly into [liquid/vapour) &
on cooling back to [solid/liquid)
4 Ammonium chloride, a sublinable sold undergoes Isynthesis/ dissociation on heating
5. Sublimation of lodine is an example of [physical/chemical] change​

Answer 1

Answer:

1.considered

2.physical

3.vapour,solid

4.dissociation

5.physical