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ICSE Class 10 Chemistry Question 13 of 13

Practical Work — Question 3

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Question 3

Name:

(a) Two carbonates which do not produce carbon dioxide on heating.

(b) A colourless gas which bleaches

(c) Gases which have sour taste

(d) Greenish yellow gas which also bleaches

(e) Gas with rotten egg smell.

Answer

(a) Sodium carbonate [Na2CO3] and potassium carbonate [K2CO3]

(b) Sulphur dioxide [SO2]

(c) Carbon dioxide [CO2]

(d) Chlorine [Cl2]

(e) Hydrogen sulphide [H2S]