Chemistry
Give a reason why - For the preparation of nitric acid in the laboratory, the complete apparatus is made up of glass.
Nitric Acid
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Answer
The vapours of nitric acid are highly corrosive and attack rubber, cork. etc. For this reason, all glass apparatus is used in the laboratory preparation of nitric acid.
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Name the gas that is produced.
(i) When sulphur is oxidized by concentrated nitric acid.
(ii) During action of cold and dilute ntric acid on copper.
State the type of salt formed when - The reactants are heated at a suitable temperature for the preparation of nitric acid in the laboratory.
State one observation for the following : Concentrated nitric acid is reacted with - sulphur.
Complete the following equations:
(i) S + Conc. HNO3 ⟶
(ii) Cu + dil. HNO3 ⟶