Chemistry MCQs

Page No. 2

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


aBeta particle


bGamma particle


cAlpha particle


dNegative particle


View Answer Alpha particle

Elements which emit natural radioactivity are known as __________ ?


aRadio elements


bActive elements


cRadioactive elements


dNuclear elements


View Answer Radioactive elements

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


ae


b2e


c3e


d4e


View Answer 2e

Treatment of sucrose with conc. HNO3 gives__________?


aNitrosucrose


bGlucose+ fructose


cOxalic acid


dLaevulinic acid


View Answer Nitrosucrose

The systematic name of sucrose is_______?


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


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


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


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



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


a2


b4


c7


d16


View Answer 16

The IUPAC name of pyridines is__________?


aAzolo


bAzine


cAzolidins


dDiazine


View Answer Azine

The hybridization of nitrogen atom in pyridine is_______?


asp


bsp2


csp3


dIt is not hybridized


View Answer sp2

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


aSodium hexadecanoate


bSodium octadecanoate


cSodium pentadecanoate


dBoth A and B


View Answer Both A and B

Which of the following compounds is not soluble in HNO3___?


aCuS


bCdS


cPbS


dAgCl


View Answer AgCl

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