Chemistry MCQs

Page No. 2

A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?


aBeta particle

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bGamma particle

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cAlpha particle

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dNegative particle

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View Answer Alpha particle

Elements which emit natural radioactivity are known as __________ ?


aRadio elements

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bActive elements

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cRadioactive elements

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dNuclear elements

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View Answer Radioactive elements

Alpha (α) particles are helium (He) nucleus with a charge of __________ ?


ae

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b2e

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c3e

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d4e

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View Answer 2e

Treatment of sucrose with conc. HNO3 gives__________?


aNitrosucrose

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bGlucose+ fructose

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cOxalic acid

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dLaevulinic acid

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View Answer Nitrosucrose

The systematic name of sucrose is_______?


a1-α-D- glucopyranosyl-2-β-D-fructopyranoside

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b11-α-D- glucopyranosyl-2-β-D-fructopyranoside

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c1-α-D- glucofuranosyl-2-α-D- fructopyranoside

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d1-β- D- glucofuranosyl-2-α- D- fructofuranoside

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How many isomeric aldoses are possible for the molecular formula C6H12O6?


a2

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b4

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c7

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d16

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View Answer 16

The IUPAC name of pyridines is__________?


aAzolo

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bAzine

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cAzolidins

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dDiazine

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View Answer Azine

The hybridization of nitrogen atom in pyridine is_______?


asp

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bsp2

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csp3

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dIt is not hybridized

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View Answer sp2

Following are the anions of soap which form Ca and Mg ions which we see as curd in water


aSodium hexadecanoate

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bSodium octadecanoate

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cSodium pentadecanoate

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dBoth A and B

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View Answer Both A and B

Which of the following compounds is not soluble in HNO3___?


aCuS

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bCdS

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cPbS

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dAgCl

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View Answer AgCl

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