Every organic substance contains carbon atoms.
You have to rely on the labelling and even then there are different definitions of "organic."
Any plant incapable of synthesizing its own food from simple organic substance.
Yes, an enzyme is an organic substance, because it is a protein, and all proteins contain carbon, which is the definition of an organic substance.
It is organic substance
it is organic
It is organic substance
No: Sodium dichromate contains no carbon and therefore can not be organic by the usual definitions.
It is organic substance
It is organic
from substance which are organic
It is organic substance
It is organic substance