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प्रश्न
For laboratory preparation of hydrogen, give the following:
chemical equation
उत्तर
\[\ce{Zn + 2HCl -> ZnCl2 + H2\uparrow}\]
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संबंधित प्रश्न
Multiple Choice Question
Water gas is a mixture of
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
Hydrogen gas is collected by the downward displacement of water. Give reason ?
Where does hydrogen occur in a free state?
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
Complete and balance the following reaction.
Zn + HCl →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
Give a balanced equation for obtaining hydrogen from?
Steam using a metal – and the reaction is reversible.
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
Give a balanced equation for the following conversion.
\[\ce{MgCl2<-HCl->FeCl2}\]
