Short answerEasy1 mark
1(d)
State one observation for each of the following:
Concentrated nitric acid is reacted with sulphur.
Topic: Nitric acid: preparation and properties
Previous-year question practice database
Answer
Exam answer
Reddish-brown NO₂ fumes are evolved and H₂SO₄ is formed.
Explanation
S + 6HNO₃(conc.) → H₂SO₄ + 6NO₂ + 2H₂O.
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