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प्रश्न
Select the correct options for the following statement:
The acid _____ is not Used in the laboratory preparation of hydrogen, using zinc and an acid.
पर्याय
dil.H2SO4
dil. HNO3
dil. HCl
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उत्तर
The acid dil. HNO3 is not used in the laboratory preparation of hydrogen, using zinc and an acid.
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
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.
Mg + H2O →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of metals with steam
Magnesium - Mg + H2O → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
How did the name ‘hydrogen’ originate? How does hydrogen occur in the combined state?
State why hydrogen is not prepared in the laboratory by the action of sodium with cold water.
Give a balanced equation for the following conversion.
\[\ce{CO + H2<-H2O->CO2 + H}\]
