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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
Which metal is preferred for the preparation of hydrogen?
from water?
Give reason for the following:
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Answer the following pertaining to the preparation of hydrogen by electrolysis,
Name the electrode –
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- at which hydrogen is liberated.
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
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An efflorescent substance which leaves a residue having the same colour as the substance and evolves a gas which changes the colour of cobalt chloride paper.
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[General method]
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Lead - Pb + 2NaOH → ______ + _______ [g]
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