Chemistry MCQs

Page No. 102

Which one of the following compounds shows intense knocking ?


an-pentane

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biso-heptane

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ciso-octane

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dn-heptane

✓


View Answer n-heptane

At low temperature and pressure cracking can be done in presence of catalyst________________?


aAl2O3

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bFe2O3

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cAl2O3 and SiO2

✓


dFe2O3 and SiO2

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View Answer Al2O3 and SiO2

Crude oil is blackish coloured liquid produced after the decay of organic matter present between_________________?


aearth layer

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bmountains

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csedimentary rocks

✓


drocks

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View Answer sedimentary rocks

Coal is produced after a long time decay of_________________?


aanimals

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bfossils

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cwood

✓


dall of the above

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View Answer wood

Rate of reactions of most organic compounds are____________________?


avery slow

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bvery fast

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cslow

✓


dno regular character present

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View Answer slow

The organic compounds having very high molecular weight are called _________________?


acarboxylic acids

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bketones

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caldehydes

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dpolymers

✓


View Answer polymers

The property of carbon chain formation is called _________________?


acatenation

✓


bhybridization

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cpolymerization

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dsolvation

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View Answer catenation

First organic compound synthesized in laboratory was _________________?


atartaric acid

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bethyl alcohol

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cmethanol

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durea

✓


View Answer urea

The first organic compound was synthesized in laboratory by_________________?


aWohler

✓


bKolbe

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cBerzilius

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dBerthelot

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View Answer Wohler

Pentane and 2-methyl butance have the same_______________?


aBoiling point

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bMelting point

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cPercentage composition

✓


dStructural formula

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