Question

1
2
Evaporation is an example of
(A) Reversible change (B) Irreversible change (C) Chemical change (D) None of these
Identify an irreversible change from the following:
(A) Heating iron rod to red hot
(B) Converting milk into curd
(C) Stretching of a rubber band
(D) Conversion of ice into water
Sneezing and coughing are the examples of
change
(A) Fast change
(B) Slow change
(C) Non-periodic change
(D) Desirable change​

Answer 1

Answer:

Q. 1) option A

Q. 2) option B

Q. 3) option A

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Answer 2

Answer:

Evaporation is an example of

(A) Reversible change

Identify an irreversible change from the following:

(B) Converting milk into curd