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प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals - alkali [conc. soln.]
Zinc - Zn + 2NaOH → ______ + _______ [g]
Zn + 2KOH → ____ + _____ [g]
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उत्तर
Zinc - Zn + 2NaOH → Na2ZnO2 + H2 [g]
Zn + 2KOH → K2ZnO2 + H2 [g]
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संबंधित प्रश्न
For laboratory preparation of hydrogen, give the following:
chemical equation
For laboratory preparation of hydrogen, give the following:
fully-labeled diagram
Complete and balance the following reaction.
Na + H2O →_____________ +___________
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
Select the correct options for the following statement:
The metal used as a catalyst in hydrogenation of oils.
Select the correct options for the following statement:
The metallic compound formed when a metal above aluminium in the activity series reacts with steam.
State the reactant added to hydrogen to obtain the respective product in following case.
Water
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
Give a balanced equation for the following conversion.
\[\ce{CO + H2<-H2O->CO2 + H}\]
