MCQ
Q12. Hydrogen is prepared from H2O by adding
(a).AI, which acts as oxidizing agent
(b). Au, which acts as oxidizing agent
(c). Ca, which acts as reducing agent
(d). Ag, which acts as reducing agent
Answers
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Answer:
(b) Au, which acts as oxidizing agent.
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Answer:
c).Ca
Explanation:
calcium is more reactive so it acts aas a reducing agent.
Ca+2H2O ----2(Ca)2OH+H2
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