Chemical Engineering Mcqs

Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?

• (A)  NH3
• (B)  NaCl
• (C)  CaO
• (D)  Coke

Answer

Submitted By :Ali Uppal

Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene ?

• (A)  AgO
• (B)  Al2O3
• (C)  ZnCl2
• (D)  Fe2O3

Answer

Submitted By :Ali Uppal

Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of____________________?

• (A)  Trichloroethylene
• (B)  Perchloroethylene
• (C)  Parathion
• (D)  Methanol

Answer

Submitted By :Ali Uppal

Which allotrope of sulphur is insoluble in carbon disulphide ?

• (A)  Rhombic sulphur
• (B)  Monoclinic sulphur
• (C)  Plastic sulphur
• (D)  Milk of sulphur

Answer

Submitted By :Ali Uppal

Refractory bricks burnt at very high temperature have got______________?

• (A)  Greater resistance to corrosion by slags
• (B)  Less resistance to corrosion by slags
• (C)  High spalling tendency
• (D)  None of these

Answer

Submitted By :Ali Uppal

Main constituent of limestone is____________________?

• (A)  CaCO3
• (B)  MgCO3
• (C)  Na2CO3
• (D)  CaSO4

Answer

Submitted By :Ali Uppal

Sulphuric acid saturated with SO3 is called_________________?

• (A)  Concentrated H2SO4
• (B)  Sulphurous acid
• (C)  Oleum
• (D)  None of these

Answer

Submitted By :Ali Uppal

Hydrogenation of oil does not ___________________?

• (A)  Remove double bonds
• (B)  Raise its melting point
• (C)  Improve its resistance to oxidation
• (D)  None of these

Answer

Submitted By :Ali Uppal

Stereospecific agents are exemplified by________________?

• (A)  Radiation
• (B)  Supported metal oxide catalysts
• (C)  Ziegler catalysts
• (D)  All A ,

Answer

Submitted By :Ali Uppal

Zeigler process__________________?

• (A)  Produces high density polyethylene
• (B)  Produces low density polyethylene
• (C)  Uses no catalyst
• (D)  Employs very high pressure

Answer

Submitted By :Ali Uppal