Chemistry MCQs

Page No. 18

The rectified spirit contains________________?


a12% alcohol


b90% alcohol


c95% alcohol


d100% alcohol


View Answer 95% alcohol

The formula of starch is__________________?


aC12H22O11


bC6H10O5


c(C6H10O5)n


dC6H12O6


View Answer (C6H10O5)n

Water gas heated at 450?C and 200 atm pressure in the presence of ZnO+Cr2O3 will produce________________?


aethanol


bmethanol


ccarbonic acid


dmethane


View Answer methanol

Which one of the following alcohol has greater boiling point___________________?


aethanol


bglycerol


cethylene glycerol


dmethanol


View Answer glycerol

Ethanol and methanol can be distinguished by a__________________?


aIodoform test


bLucas test


cBenedicts test


dTollens test


View Answer Iodoform test

The hydrogenation of phenol in the presence of Ni and heat gives_________________?


acyclohexane


bn-hexane


c1-hexanol


dcyclohexanol


View Answer cyclohexanol

Phenol was isolated by Runge from________________?


avegetable oil


bcoaltar


cwood


dNone of these


View Answer coaltar

Absolute alcohol is obtained when rectified spirit is treated with__________________?


aCa(OH)2


bCaCO3


cCaCl2


dCaO


View Answer CaO

Methanol can be obtained from_________________?


awater gas


bdestructive distillation of wood


cmethane


dall


View Answer all

Ethanol can be converted into ethanoic acid by_________________?


aHydrogenation


bHydration


cOxidation


dFermentation


View Answer Oxidation

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