Question # 1

Conversion of wood into coal is called.

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Carbonization

Destructive distillation

Fractional distillation

All

The 1st organic compound prepared in laboratory.

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Urea

NaCl

Thiourea

Pyridine

Wood contain the amount of carbon.

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70%

80%

60%

40%

Formula of Decane is.

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C₁₀H₂₀

C₁₀H₂₂

C₁₀ H₄

C₁₀H₁₆

The strong heating of coal in retoris in the absence of air is called.

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Fractional distillation

Sublimation

Roasting

Destructive distillation

The strong heating of coal in the absence of air called.

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Fractional Distilation

Destructive Distiation

Carbonization

Catenation

The branch of chemistry which deals with the study of hydrocarbons and their derivatives is known as.

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Organic chemistry

Inorganic chemistry

Biochemistry

Nuclear chemistry

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

Who put forward the vital force theory?

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Berzelius

Wohler

Dalton

Lavoisier

Petroleum is refined by:

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destructive distillation

fractional distillation

simple distillation

dry distillation

General formula of Alkane is.

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C₁₀H_2n-2

C₆H₂₆

C₁₁H_2n-2

C_nH_2n-2

Organic compounds contain:

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ionic bond

Covalent bond

Metallic bond

Co-ordinate covalent

Which one contains double covalent bound?

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Pentane

Ethylene

Acetylene

All

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