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प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals with steam
Aluminium - 2Al + 3H2O → ______+ _______ [g]
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उत्तर
Aluminium - 2Al + 3H2O → Al2O3 + 3H2 [g]
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संबंधित प्रश्न
Which metal is preferred for the preparation of hydrogen?
from water?
For laboratory preparation of hydrogen, give the following:
materials used
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A divalent metal
Complete and balance the following reaction.
Ca + 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.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Potassium- K + H2O → ______+ ______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with steam
Zinc - Zn + H2O → ______+ _______ [g]
Account for the following fact:
Potassium and sodium are not used to react with dilute ‘hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
Give a balanced equation for the following conversion.
\[\ce{NH3<-H2->H2S}\]
