Chemical Engineering MCQs

Page No. 694

Which of the following is a constituent of vinegar ?


aAround 10% alcohol


bAround 1% acetic acid


cBoth A. and B.


dNeither A. nor B.


View Answer Both A. and B.

Dehydrogenation of Isopropanol produces ____________________?


aPropyl alcohol


bAcetone


cTrichloroethylene


dFormaldehyde


View Answer Acetone

Phthalic anhydride is made by the ______________________?


aOxidation of naphthalene


bOxidation of benzene


cDehydrogenation of ethyl benzene


dNone of these



Absorption of SO3 in 97% H2SO4 is_______________?


aExothermic


bEndothermic


cNot possible


dNone of these


View Answer Exothermic

Washing soda is chemically represented by _________________?


aNa2CO3


bNa2CO3.H2O


cNa2CO3.10H2O


dNaHCO3


View Answer Na2CO3.10H2O

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


aLess than


bMore than


cSame


dNone of these


View Answer Less than

Plaster of Paris is __________________?


aCaSO4.½H2O


bUsed for setting of broken bones


cBoth A. and B.


dSame as gypsum


View Answer Both A. and B.

Blue vitriol is chemically___________________?


aCopper sulphate


bFerrous sulphate


cCopper nitrate


dAluminium sulphate


View Answer Copper sulphate

Sulphuric acid is mainly used in the _______________ industry ?


aFertiliser


bSteel


cPaper


dPaint


View Answer Fertiliser

Which of the following is a detergent ?


aFatty alcohol


bAlkyl benzene sulphonate (ABS)


cFatty acids


dMethylene chloride



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