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प्रश्न
Select the correct options for the following statement:
The metal which reacts with steam liberating hydrogen & the reaction is reversible.
पर्याय
Nickel
Sodium
Iron
Iron [III] oxide
Magnesium oxide
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उत्तर
Iron
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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....................
Multiple Choice Question
The metal which reacts with cold water to produce hydrogen is
Which metal is preferred for the preparation of hydrogen?
from water?
For laboratory preparation of hydrogen, give the following:
materials used
Give reason for the following:
The end of the thistle funnel should be dipped under acid.
Complete and balance the following reaction.
Fe + H2O →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [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.
State why hydrogen is not prepared in the laboratory by the action of sodium with cold water.
