Chemistry MCQs

Page No. 104

Which of the following can be used as anti-knocking agent ?


aPbCl2

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b(C2H5)4 Pb

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c(C2H5)2 Pb

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dall of the above

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View Answer (C2H5)4 Pb

The metallic sound produced by engine due to the pre-ignition of fuel is called _______________?


aknocking

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breforming

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ccracking

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dboth B & C

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View Answer knocking

The precess in which larger molecule with higher molecular weight breaks down into smaller moleucles with lower molecular weight____________________?


apolymerization

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bpyrolysis

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cisomerism

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dno such process occurs

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View Answer pyrolysis

Methane is used in power generation in chemical industries being a__________________?


anatural gas

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bgood caloric value

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ccheaper

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dall

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View Answer cheaper

Organic compounds are soluble in ____________________?


apolar solvent

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bnon-polar solvent

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calkalies

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dwater

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View Answer non-polar solvent

Compounds having same molecular formula but differ in structural formula are called __________________?


apolymer

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bmonomer

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cisomer

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dallotropes

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View Answer isomer

Chemical properties of first member of homologous series with respect to other members are_________________?


asame

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bdifferent

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cdepends upon number of C atoms

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ddepends upon number of H atoms

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View Answer same

A double bond consists of __________________?


aTwo sigma bonds

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bTwo Pi bonds

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cOne sigma and one Pi bonds

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dOne sigma and two Pi bonds

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According to vital force theory_______________?


aorganic compounds can be synthesized from inorganic compounds

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borganic compounds cannot be synthesized from inorganic compounds

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corganic compounds can be synthesized by animals

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dorganic compounds can be synthesized by plants

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Organic compounds that are essentially nonpolar and exhibit weak intermolecular forces have________________?


aLow melting points

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bLow vapour pressure

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cHigh boiling points

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dHigh electrical conductivity

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