Q. The chemical formula of ice is

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Q. Compounds containing one or more atoms in the ring of heterocyclic compounds are called

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Q. CaSO₄.2H₂O has a common name

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Q. The chemical formula of calcium fluoride is

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Q. Carbon and oxygen combine to give covalent compounds

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Q. The charge on borate ion is

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Q. A alkane, C₃H₈ can be given the name

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Q. A compound in which two benzene rings are separated by a single bond is called

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Q. The systematic report for naming organic compounds was given by

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Q. The compounds formed by non-metals only are

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Q. The chemical formula of ammonia is

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Q. Organic compounds in which first and last carbon atoms are free are called

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Q. The hybridization in CH₂ = CH₂ is

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Q. Organic compounds are divided into main types

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Q. Organic compounds are in nature

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Q. The mode of hybridization in CH₄ is

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Q. An element essential for organic compounds is

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Q. The example of fused ring compound is

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Q. Wohler synthesized first of all the organic compound

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Q. Isooctane burns smoothly having arbitrarily value of the octane number

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