Question # 1

Vital force theory was rejected by.

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Jabir Bin Hayan

Drawin

Wohler

Berzellius

Organic compounds contain:

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ionic bond

Covalent bond

Metallic bond

Co-ordinate covalent

The example of heterocyclic compound is.

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Benzene

Hexane

Cyclohexane

Pyridine

In laboratory urea was prepared by

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Wohler

Rutherford

Berzelius

Dalton

Which one of the following is not a fossil fuel?

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Coal

Natural gas

Bio gas

Petroleum

The carbon contents in lignite is.

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80%

50%

60%

70%

Number of discovered element till today are.

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140

118

90

16

Which one contains triple covalent bond?

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Pentane

Ethylene

Acetylene

All

The functional group- COOH is found in

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Carboxylic acid

aldehydes

alcohals

easter

Who was prepared acetic acid in laboratory?

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Berzelius

Wohler

Kolbe

Dalton

General formula of alcohols is:

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RCHO

ROH

O= R - C -OH

O = R - C- R

Formula of Methyl alcohol

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CH₅-OH

CH₃-CH₂-OH

All of them

None of these

In which of the following groups , oxygen is attached on both sides with carbon atoms.

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Ketone group

Ether group

Aldehyde group

Easter group

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