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प्रश्न
State the reactant added to hydrogen to obtain the respective product in following case.
Ammonia
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उत्तर
Reactant added to obtain:
Ammonia: Nitrogen and hydrogen.
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संबंधित प्रश्न
Name the following:
Two metals which give hydrogen with cold water.
Which test should be made before collecting hydrogen in a gas jar?
Give reason for the following:
Purified and dried hydrogen is collected over mercury.
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A monovalent metal
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A divalent metal
Give reason:
A candle brought near the mouth of a jar containing hydrogen gas starts burning but is extinguished when pushed inside the jar.
Select the correct options for the following statement:
A foul smelling gas formed when hydrogen reacts with a molten non-metal, is ___.
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Potassium- K + H2O → ______+ ______ [g]
How did the name ‘hydrogen’ originate? How does hydrogen occur in the combined state?
