Question

III. Identify the following changes as reversible and irreversible:

(a) Increase in the heartbeat rate after jogging.      ___________________________

(b) Preparation of food by plants.                          ___________________________

(c) Cooking of food by your mother.                    ___________________________

(d) Melting of chocolate.                                      ___________________________

(e) Burning of coal to give heat and light.            ___________________________

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Answer 1

a) Reversible

b) Irreversible

c) Irreversible

d) Reversible

e) Irreversible

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Answer 2

Answer:

a. It is an Irreversible Change

b. Irreversible

c. Irreversible

d. Reversible

e. Irreversible