Question

18. i) What are the two effective ways to change the state of matter?

ii) Write two reasons for calling a blackboard a solid at room temperature

iii) Why do the doctors rub ether before giving you an injection​

Answer 1

Answer:

1.EVAPORATION,CONDENSATION

2..................................................................

3..............................

SORRY IF WRONG ANSWERS GIVEN

Explanation:

Answer 2

Answer:

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