Chemical Engineering MCQs

Page No. 694

Which of the following is a constituent of vinegar ?


aAround 10% alcohol

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bAround 1% acetic acid

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cBoth A. and B.

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dNeither A. nor B.

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View Answer Both A. and B.

Dehydrogenation of Isopropanol produces ____________________?


aPropyl alcohol

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bAcetone

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cTrichloroethylene

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dFormaldehyde

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View Answer Acetone

Phthalic anhydride is made by the ______________________?


aOxidation of naphthalene

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bOxidation of benzene

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cDehydrogenation of ethyl benzene

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dNone of these

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Absorption of SO3 in 97% H2SO4 is_______________?


aExothermic

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bEndothermic

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cNot possible

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dNone of these

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View Answer Exothermic

Washing soda is chemically represented by _________________?


aNa2CO3

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bNa2CO3.H2O

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cNa2CO3.10H2O

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dNaHCO3

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View Answer Na2CO3.10H2O

Free alkali in a toilet soap is _______________ that in a laundry shop ?


aLess than

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bMore than

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cSame

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dNone of these

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View Answer Less than

Plaster of Paris is __________________?


aCaSO4.½H2O

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bUsed for setting of broken bones

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cBoth A. and B.

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dSame as gypsum

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View Answer Both A. and B.

Blue vitriol is chemically___________________?


aCopper sulphate

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bFerrous sulphate

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cCopper nitrate

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dAluminium sulphate

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View Answer Copper sulphate

Sulphuric acid is mainly used in the _______________ industry ?


aFertiliser

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bSteel

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cPaper

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dPaint

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View Answer Fertiliser

Which of the following is a detergent ?


aFatty alcohol

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bAlkyl benzene sulphonate (ABS)

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cFatty acids

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dMethylene chloride

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