Amolecule of an organic compound contains at least one atom of
(1) carbon (3) nitrogen
(2) chlorine (4) oxygen

(1) carbon

Explanation: Organic compounds are those compounds which contains a carbon atom. Nearly all organic compounds contain hydrogen and some of the organic compounds contain oxygen. Example: Glucose(), Methane ()

Inorganic compounds are those compounds which do not contain a carbon atom. Example :

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