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प्रश्न
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A divalent metal
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उत्तर
Ca + 2H2O → Ca(OH)2 + H2
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
Fill in the blank
Hydrogen reacts with metal oxides to form ............and....................
Which metal is preferred for the preparation of hydrogen?
from water?
Complete and balance the following reaction.
Zn + H2O →_____________ +___________
Complete and balance the following reaction.
Zn + HCl →_____________ +___________
Starting from hydrogen gas how would you obtain a basic gas.
Select the correct options for the following statement:
A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Calcium - Ca + H2O → ______+ _______ [g]
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Give a balanced equation for the following conversion.
\[\ce{MgCl2<-HCl->FeCl2}\]
