Question

1.What type of change is the cutting down of trees?_________
2.Which of the following is not a reversible change?________
3.Which of the following is not a physical change?_______
4.Which of the following is a characteristics of physical change?_______
5.Which of the following is an example of a chemical change?________

Answer 1

Answer:

Cutting down of trees is a physical change .

Burning of paper is not a reversible change.

Answer 2

Answer:

1 chemical

2 milk turn into curd

3 earthquake

4 weight are same

5 paper turn into ash