Question # 1

Which gas in produced during ripening of bnabanas.

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Methane

Ethene

Acetylene

Carbon dioxide

Marsh gas is mostly consisted of.

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Butane

Propane

Ethane

Methane

How many percent of natural gas is consisted of methane.

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60%

70%

80%

85%

Which one of these is used as anaesthesia?

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carbon black

Mehtane

Ethane

Chloroform

Olefins is a Latin word meaning:

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inert

less reactive

oil forming

most reactive

Dehydrohalogenation takes place in the presence of .

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NaOH aqueous

Alcoholic KOH

Aqeous KOH

Alcoholic NaOH

Which hydrocarbon has no effect on an aqueous solution of bromine.

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CH₄

C₁₀H₂₀

C₂H₂

C₂H₄

Condensed formula of ethane is

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C₃Cl₈

C₂Cl₆

H₃CCH₃

None of these

Alkanes are produced in large amounts by cracking of

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Natural gas

Petroleum

Benzene

Xylol

Substitution reaction is the characteristics of.

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Alkanes

Alkenes

Alkynes

None of these

In dry cleaning, which chemical is used.

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Chloroform

Carbon tetachloride

Ecetaldehyde

Ethanol

Oxidation of alkenes produce.

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Glyoxal

Glycol

Oxalic acid

Formic acid

Dichloromethane reacts with halogens in the presence of diffused sun light and produces

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Carbon tetrachloride

Chloroform

Chloromethane

No reaction

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