Name any two compounds in which hydrogen exists in combined form.

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Solution

Hydrogen rarely occur in its free state because it is highly reactive.
Hydrogen combines with other elements and forms numerous compounds.
Some of them are water(H₂O), ammonia (NH₃), methane(CH₄), hydrogen peroxide(H₂O₂) etc.

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Name any two compounds in which hydrogen exists in combined form.

Hydrogen rarely occur in its free state because it is highly reactive.Hydrogen combines with other elements and forms numerous compounds.Some of them are water(H2O), ammonia (NH3), methane(CH4), hydrogen peroxide(H2O2) etc.

Hydrogen rarely occur in its free state because it is highly reactive.
Hydrogen combines with other elements and forms numerous compounds.
Some of them are water(H₂O), ammonia (NH₃), methane(CH₄), hydrogen peroxide(H₂O₂) etc.