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प्रश्न
Give a balanced equation for the following conversion.
\[\ce{KAlO2<-KOH->K2ZnO2}\]
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उत्तर
\[\ce{2Al + 2KOH + 2H2O->2KAlO2 + 3H2}\]
\[\ce{Zn + 2KOH->K2ZnO2 + H2}\]
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संबंधित प्रश्न
TRUE \ FALSE
reacts with hot water to form copper oxide and hydrogen.
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Give reason for the following:
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A divalent metal
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A white substance which leaves an amphoteric oxide as a residue [whose colour varies in the heated and in the cold state] and evolves a gas which turns lime water milky.
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[General method]
Reactions of active metals - cold water
Calcium - Ca + H2O → ______+ _______ [g]
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Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
