Everyday Science MCQs

Page No. 50

Human bone does not contain_________?


aCalcium


bChondroitin sulfate


cBoron


dphosphate


View Answer Boron

The term PVC used in the plastic industry stands for______________?


aPhosphavinyl chloride


bPhosphor vanadiu chloride


cPolyvinyl chloride


dPolyvinyl carbobate


View Answer Polyvinyl chloride

Oil of vitriol is_________?


aNitric acid


bPhosphoric acid


cHydrochloric acid


dSulfuric acid


View Answer Sulfuric acid

Calcium sulphate is known as__________?


aEpsom salt


bGypsum salt


cBlue vitriol


dPotash alum


View Answer Gypsum salt

Epsom salt is chemically known as_________?


aCopper Sulfate


bMagnesium Sulfate


cFerrous Sulfate


dNone of these


View Answer Magnesium Sulfate

The element used in lead pencils is__________?


aZinc


bLead


cCarbon


dTin


View Answer Carbon

The alcohol used in the preparation of dynamite is________?


aethyl alcohol


bglycerol


cglycol


dmethyl alcohol


View Answer glycerol

Air contains maximum amount of__________?


aoxygen


bnitrogen


chydrogen


dcarbon dioxide


View Answer nitrogen

First Atomic theory was proposed by?


aJohn Dalton


bE.Rutherford


cDe Broglie


dD.I.Mendeleef


View Answer John Dalton

Ruby is an oxide of__________?


asilver


bgold


cplatinum


daluminium oxide


View Answer aluminium oxide

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