1.

Which of the following change cannot be reversed?(a) Blowing of a balloon(b) Folding a paper to make a toy aeroplane.(c) Rolling a ball of dough to make roti(d) Baking cake in an oven(e) Drying a wet cloth(f) Making biogas from cow dung.(g) Burning of a candle.

Answer» Which of the following change cannot be reversed?

(a) Blowing of a balloon

(b) Folding a paper to make a toy aeroplane.

(c) Rolling a ball of dough to make roti

(d) Baking cake in an oven

(e) Drying a wet cloth

(f) Making biogas from cow dung.

(g) Burning of a candle.










Discussion

No Comment Found