- (A) AgO
- (B) Al2O3
- (C) ZnCl2
- (D) Fe2O3
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- (A) Trichloroethylene
- (B) Perchloroethylene
- (C) Parathion
- (D) Methanol
- (A) Rhombic sulphur
- (B) Monoclinic sulphur
- (C) Plastic sulphur
- (D) Milk of sulphur
- (A) Greater resistance to corrosion by slags
- (B) Less resistance to corrosion by slags
- (C) High spalling tendency
- (D) None of these
- (A) CaCO3
- (B) MgCO3
- (C) Na2CO3
- (D) CaSO4
- (A) Concentrated H2SO4
- (B) Sulphurous acid
- (C) Oleum
- (D) None of these
- (A) Remove double bonds
- (B) Raise its melting point
- (C) Improve its resistance to oxidation
- (D) None of these
- (A) Radiation
- (B) Supported metal oxide catalysts
- (C) Ziegler catalysts
- (D) All A ,
- (A) Produces high density polyethylene
- (B) Produces low density polyethylene
- (C) Uses no catalyst
- (D) Employs very high pressure
- (A) Cutting and welding by oxy-acetylene flame
- (B) Hospitals for medicinal purposes
- (C) Gas masks and artificial breathing apparatus
- (D) All A, B, and

