which of the following gas is released when Naoh is treated with ZN __________
oxygen , Hydrogen , Carbon dioxide, water vapour.
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Answered by
2
Answer:
Hydrogen gas
Explanation:
Zn + 2NaOH → Na2ZnO2 + H2
Zinc react with excess sodium hydroxide to form sodium zincate along with hydrogen gas. Zinc is a transition metal which shows moderate reactivity.Zinc reacts with NaOH to form sodium zincate with the evolution of hydrogen gas.
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Answered by
0
Answer:
Hydrogen gas is ur answer...
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