Short answerEasy1 mark
7(i)
Seema added a few pieces of copper turnings to a test tube containing concentrated acid P and she noticed that a reddish-brown gas evolved.
Write a balanced chemical equation for the reaction that took place.
Topic: Nitric acid: preparation and properties
Previous-year question practice database
Answer
Exam answer
Cu + 4HNO₃(conc.) → Cu(NO₃)₂ + 2H₂O + 2NO₂↑.
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