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प्रश्न
Multiple Choice Question
Water gas is a mixture of
पर्याय
carbon monoxide and oxygen
carbon monoxide and hydrogen
hydrogen and oxygen
hydrogen and nitrogen.
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उत्तर
carbon monoxide and hydrogen
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संबंधित प्रश्न
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........................... means ‘maker of water’ in Greek.
Which metal is preferred for the preparation of hydrogen?
from water?
For laboratory preparation of hydrogen, give the following:
chemical equation
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?
Why are the following metals not used in the lab. preparation of hydrogen?
aluminium
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Sodium - 2Na + 2H2O → ______+ _______ [g]
Give a balanced equation for obtaining hydrogen from?
Steam using a trivalent metal
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Ca(OH)2 + H2}\]
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Al2(SO4)3 + H2}\]
