Question

A. Write T for True and F for False. Correct the false statements. 1. Bursting of firecrackers and burning a piece of dry cloth are irreversible slow changes. 2. Making a boat from a paper by folding it, is a man- made chemical change. 3. Cooking of food is exothermic whereas cooling of water vapour is an endothermic change. 4. Soil erosion and global warming are desirable changes. 5. The occurence of a solar eclipse is a non-periodic change, whereas the phases of the moon is a periodic change.​

Answer 1

Answer:

ans is making a boat from paper by cooking of fiid

Answer 2

Answer:

1.True

2.False

3.True

4.True

5 True