Chemistry MCQs

Page No. 29

Which one of the following compounds usually smells like garlic ?


aP2O3


bP2O5


cH3PO3


dAll have same smell


View Answer P2O3

The composition of brown ring in nitrate test is_________________?


aFeSO4.NO


bFeSO4.NO2


cFeSO4.NO3


dFeSO4.N2O


View Answer FeSO4.NO

Which one of the following is not the use of graphite ?


aLead pencils


bAbrasive


cLubricant


dElectrode of electrolytic cell


View Answer Abrasive

Which of the following does not contain phosphorus ?


aYolk of egg


bBone


cNerves


dSteel


View Answer Steel

Which one of following is not a property of pure quartz ?


aColoured solid


bBrittle


cHard


dAll of the above


View Answer Coloured solid

Phosphene gas will be produced if phosphorous acid is subjected to___________________?


aoxidation


bReduction


cDecomposition


dboth B & C


View Answer both B & C

The most electronegative element among the following is_________________?


aSb


bN


cAs


dP


View Answer N

Which one of the followings possesses melting point below 0°C?


aNitrogen


bPhosphorous


cCarbon


dBismuth


View Answer Nitrogen

When sulphuric acid is treated with ethanol sulphuric acid behaves like________________?


aan acid


ba dehydrating agent


can oxidizing agent


das sulphonating agent


View Answer a dehydrating agent

Arsenic oxides are removed by passing through_________________?


aFerric hydroxide


bSodium hydroxide


cCalcium hydroxide


dAluminium hydroxide


View Answer Ferric hydroxide

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