Question

7. Changes which can be reversed:
8. Changes which cannot be reversed :
9. Change of state from solid to liquid
10. Change of state from liquid to gas :
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Answer 1

Answer:

7) Physical change

8) Chemical change

9) Melting

10)Evaporation

Explanation:

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Answer 2

Answer:

DIRECTION: Each of these questions contains an Assertion followed by Reason. Read them carefully and answer the question on the basis of following options. You have to select the one that best describes the two statements. a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion. b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion. c) If Assertion is correct but Reason is incorrect. d) If Assertion is incorrect but Reason is correct. e) If Assertion & Reason both are incorrect. Assertion(A): Bursting of a balloon is a chemical change. Reason(R): In chemical change new substance is formed. plz answer

Explanation: