Question

Use of concentrated sulphuric acid in salt analysis

Answer 1

Explanation:

Take a small quantity of the salt in a test tube and add 1-2 ml of dilute sulphuric acid. Colourless odourless gas with brisk effervescence, turns lime water milky. ... Colourless gas with smell like that of rotten eggs, turns lead acetate paper black.

Answer 2

Answer:

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