Chemical Engineering Mcqs

Dehydrogenation of Isopropanol produces ____________________?

• (A)  Propyl alcohol
• (B)  Acetone
• (C)  Trichloroethylene
• (D)  Formaldehyde

Answer

Submitted By :Ali Uppal

Phthalic anhydride is made by the ______________________?

• (A)  Oxidation of naphthalene
• (B)  Oxidation of benzene
• (C)  Dehydrogenation of ethyl benzene
• (D)  None of these

Answer

Submitted By :Ali Uppal

Absorption of SO3 in 97% H2SO4 is_______________?

• (A)  Exothermic
• (B)  Endothermic
• (C)  Not possible
• (D)  None of these

Answer

Submitted By :Ali Uppal

Washing soda is chemically represented by _________________?

• (A)  Na2CO3
• (B)  Na2CO3.H2O
• (C)  Na2CO3.10H2O
• (D)  NaHCO3

Answer

Submitted By :Ali Uppal

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

• (A)  Less than
• (B)  More than
• (C)  Same
• (D)  None of these

Answer

Submitted By :Ali Uppal

Blue vitriol is chemically___________________?

• (A)  Copper sulphate
• (B)  Ferrous sulphate
• (C)  Copper nitrate
• (D)  Aluminium sulphate

Answer

Submitted By :Ali Uppal

Sulphuric acid is mainly used in the _______________ industry ?

• (A)  Fertiliser
• (B)  Steel
• (C)  Paper
• (D)  Paint

Answer

Submitted By :Ali Uppal

Which of the following is a detergent ?

• (A)  Fatty alcohol
• (B)  Alkyl benzene sulphonate (ABS)
• (C)  Fatty acids
• (D)  Methylene chloride

Answer

Submitted By :Ali Uppal

Most widely and commonly used coagulant for the removal of suspended impurities in water is __________________?

• (A)  Bleaching powder
• (B)  Slaked lime
• (C)  Alum
• (D)  Copper sulphate

Answer

Submitted By :Ali Uppal

The major constituent of black liquor generated during paper manufacture is sodium___________________?

• (A)  Sulphate
• (B)  Carbonate
• (C)  Hydroxide
• (D)  Bi-carbonate

Answer

Submitted By :Ali Uppal