ICSE Class 10 Chemistry 2016 Solved Paper

Identify the gas evolved and give the chemical test in each of the following case :

Question : 52 of 85

Marks: +1, -0

Dilute hydrochloric acid reacts with sodium sulphite.

Solution:

Sulphur-di-oxide gas is evolved.
Colourless, gas with smell of burning sulphur. It turns acidified potassium dichromate orange to green.

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