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ICSE Class 10 Chemistry 2016 Paper
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Identify the gas evolved and give the chemical test in each of the following case :
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Question : 52 of 85
Marks:
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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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