English, asked by deeptidangale, 2 months ago

Short answer
. Why the concentrated solution should not be heated for a long time?
ns...

Answers

Answered by baniktulip07

Answer:

The temperature of the mixture of concentrated sulphuric acid and sodium nitrate should not exceed 200oC because sodium sulphate formed at higher temperature forms a hard crust which sticks to the walls of the retort and is difficult to remove. At higher temperature nitric acid may also decompose

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