Folding paper to make an aeroplane is a reversible change. Why?

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Solution

The aeroplane made by folding paper can be unfolded to get back the paper in its original form. The change made to the paper, by folding, can be undone. Hence it's a reversible change.

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Similar questions

Which of the following changes are Reversible and Irreversible?

(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

Q. 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.

Question 12

Which of the following changes cannot be reversed?
Blowing of a ballon
Folding a paper to make a toy aeroplane
Rolling a ball of dough to make roti
Baking cake in an oven
Drying a wet cloth
Making biogas from cow dung
Burning of a candle

Q. The burning of paper is a reversible change.

A sheet of paper is used to make a paper boat. This is a ___ change. (reversible/irreversible)

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