MatchingModerate5 marks
Match Column A with Column B:
Topic: Mixed chemistry matching
Previous-year question practice database
Answer
Solution diagram
Exam answer
(a)–4, (b)–3, (c)–5, (d)–1, (e)–2.
Explanation
CuO + C is redox; Al³⁺ is reduced; PbBr₂ dissociates; O²⁻ is oxidised; HCl ionises.
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