Everyday Science MCQs

Page No. 50

Human bone does not contain_________?


aCalcium

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bChondroitin sulfate

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cBoron

✓


dphosphate

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View Answer Boron

The term PVC used in the plastic industry stands for______________?


aPhosphavinyl chloride

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bPhosphor vanadiu chloride

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cPolyvinyl chloride

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dPolyvinyl carbobate

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View Answer Polyvinyl chloride

Oil of vitriol is_________?


aNitric acid

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bPhosphoric acid

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cHydrochloric acid

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dSulfuric acid

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View Answer Sulfuric acid

Calcium sulphate is known as__________?


aEpsom salt

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bGypsum salt

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cBlue vitriol

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dPotash alum

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View Answer Gypsum salt

Epsom salt is chemically known as_________?


aCopper Sulfate

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bMagnesium Sulfate

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cFerrous Sulfate

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dNone of these

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View Answer Magnesium Sulfate

The element used in lead pencils is__________?


aZinc

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bLead

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cCarbon

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dTin

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View Answer Carbon

The alcohol used in the preparation of dynamite is________?


aethyl alcohol

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bglycerol

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cglycol

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dmethyl alcohol

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View Answer glycerol

Air contains maximum amount of__________?


aoxygen

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bnitrogen

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chydrogen

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dcarbon dioxide

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View Answer nitrogen

First Atomic theory was proposed by?


aJohn Dalton

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bE.Rutherford

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cDe Broglie

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dD.I.Mendeleef

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View Answer John Dalton

Ruby is an oxide of__________?


asilver

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bgold

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cplatinum

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daluminium oxide

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View Answer aluminium oxide

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