Q.

Read the given following two statements carefully and choose the correct options. 
(i) Lime water turns milky due to presence of calcium bicarbonate. This is a confirmatory test of CO2.
(ii) Digestion of food and melting of wax are considered as similar type of changes.

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a

Statement (i) is correct while statement (ii) is incorrect

b

Both statements are correct

c

Statement (ii) is correct while statement (i) is incorrect

d

Both statements are incorrect

answer is D.

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Detailed Solution

Lime water turns milky due to presence of carbon dioxide. Digestion of food is a chemical change while melting of wax is a physical change. 

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Read the given following two statements carefully and choose the correct options. (i) Lime water turns milky due to presence of calcium bicarbonate. This is a confirmatory test of CO2.(ii) Digestion of food and melting of wax are considered as similar type of changes.