Question

Assertion is false but reason is true.
7. Assertion: Tearing of a paper sheet into small pieces is a chemical change.
Reason: It is not possible to rejoin small pieces of paper to get back the original paper sheet.
i.
Both assertion and reason are true and reason is the correct explanation of the assertion.
Both assertion and reason are true but reason is not the correct explanation of the assertion.
Assertion is true but reason is false.
iv. Assertion is false but reason is true.​

Answer 1

Answer:

may be it will iv. Assertion is false but reson is true

Answer 2

i. Both assertion and reason are true and reason is the correct explanation of the assertion is the correct answer.

• Physical change is the change which does not involve formation of new products.
• These changes are associated with change in form and no chemical composition change takes place.
• Tearing of paper does not changes its chemical composition. Only the form of paper changes and hence it is a physical change.