Question

Fill in the blanks.
1. All physical changes cannot be
2. Freezing of water is a/an - _______
physical change.

4. The rate of evaporation increases with the_________
in surface area of the liquid.
5. During sublimation, a substance changes directly from the solid state to the______________
state.
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Answer 1

Answer:

1. irreversible

2. a physical change

4.increase

5. vapour/gaseous

Answer 2

Answer:

2= spontaneous ; 5= gas ; 4 = temperatures