Question

solve this worksheet​

Answer 1

Answer:

Question 1)

1) True

2) True

3) False

4) False

5) True

Question 2)

Burning of candle is a irreversible change as the wax once burned can not be obtained again.

It is a physical change ( melting of wax ) as well as chemical change ( combustion).

Question 4)

a) It changes from white to yellow

b) It is physical change as it doesn't decompose. It only sublime without any decomposition.

Answer 2

Answer:

T,T,T,F,T

Explanation:

hope you understand