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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.
विकल्प
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
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
Name the following:
Two metals which give hydrogen with cold water.
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
For laboratory preparation of hydrogen, give the following:
materials used
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
How would you modify your apparatus to collect dry hydrogen? Which drying agent would you employ for this purpose?
Complete and balance the following reaction.
Na + H2O →_____________ +___________
Complete and balance the following reaction.
Fe + HCl →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of metals with steam
Magnesium - Mg + H2O → ______+ _______ [g]
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
Give a reason for the following.
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.
