ICSE Class 10 Chemistry
Question 42 of 63
Study of Compounds — Nitric Acid — Question 42
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Question Question 1(2013)
Identify the gas evolved when:
(i) Sulphur is treated with concentrated nitric acid.
(ii) A few crystals of KNO3 are heated in a hard glass test tube.
(i) Nitrogen dioxide gas
S + 6HNO3 ⟶ H2SO4 + 2H2O + 6NO2
(ii) Oxygen gas