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प्रश्न
State some sources of hydrogen.
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उत्तर
In the free state, hydrogen is found in traces in the earth's crust and atmosphere.
In the combined state, plant and animal tissues are made of compounds of hydrogen with carbon, oxygen, and nitrogen.
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संबंधित प्रश्न
Justify the position of hydrogen in the periodic table.
Compare hydrogen with alkali metals on the basis of:
Reducing power
Compare hydrogen with alkali metals on the basis of:
Reaction with oxygen
Why hydrogen was called 'inflammable air'?
Compare hydrogen and halogens on the basis of:
ion formation
Write the reaction of steam with a red hot iron.
Write a balanced equation for the following:
Zinc reacts with caustic soda solution
Write a balanced equation for the following:
Aluminium reacts with fused sodium hydroxide.
Name the following.
A compound formed between hydrogen and an element from group 17 [VIIA] – period 3.
Select the correct answer from the symbol in the bracket.
The element other than hydrogen, which forms a molecule containing a single covalent bond.
