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प्रश्न
State some sources of hydrogen.
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
Compare hydrogen with alkali metals on the basis of:
Reducing power
Compare hydrogen with alkali metals on the basis of:
Reaction with oxygen
Compare hydrogen and halogens on the basis of:
ion formation
Compare hydrogen and halogens on the basis of:
valency
Write a balanced equation for the following:
Zinc reacts with caustic soda solution
Write a balanced equation for the following:
Lead reacts with potassium hydroxide
Write a balanced equation for the following:
Aluminium reacts with fused sodium hydroxide.
Steam can react with metal and non-metal to liberate hydrogen. Give the necessary conditions and equations for the same.
Select the correct answer from the symbol in the bracket.
The element placed below hydrogen in group 1 [IA].
Select the correct answer from the symbol in the bracket.
The element other than hydrogen, which forms a molecule containing a single covalent bond.
