Question # 1

Who put forward '' the vital force theory''?

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Kolbe

Wohler

Berzellius

Jabir - Bin - Hayan

Formula of Decane is.

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C₁₀H₂₀

C₁₀H₂₂

C₁₀ H₄

C₁₀H₁₆

Functional group of Alcohols is

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-COOH

-C=0

C-O-C

-OH

The carbon contents in lignite is.

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80%

50%

60%

70%

The functional group- COOH is found in

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Carboxylic acid

aldehydes

alcohals

easter

In laboratory urea was prepared by

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Wohler

Rutherford

Berzelius

Dalton

Alkyl radical is derivative of

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Alkane

Alkene

Alkyne

All

Chemical formula for urea is:

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NH4CNO

NH4CH

NH2CONH2

NH4CI

Coal gas is mixture of

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CO and CH₄

CO . CH₄. CO₂

CO, CH₄, H₂

CO, H₂ and CO₂

Coal is the mixture of

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Hydrogen

Methane

Carbon monoxide

All

Who was prepared acetic acid in laboratory?

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Berzelius

Wohler

Kolbe

Dalton

Which one contains double covalent bound?

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Pentane

Ethylene

Acetylene

All

Pitch is black residue of

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Coke

Coal-tar

Coal

Coal gas

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