- (A) About 90% of nitric acid is manufactured by Ostwald’s process
- (B) It is a strong mono basic acid which reacts with almost all the metals except noble metals
- (C) Yellow color of impure nitric acid is because of dissolved oxides of nitrogen (mainly NO2)
- (D) Arc process of nitric acid manufacture is economical as compared to Ostwald’s process
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- (A) For the manufacture of gas mantles
- (B) As a fissile fuel in a nuclear reactor
- (C) In the manufacture of hydrogen bomb
- (D) In the treatment of cancer
- (A) Coagulation
- (B) Sedimentation
- (C) Softening
- (D) Disinfection
- (A) DDT
- (B) BHC
- (C) Parathion
- (D) None of these
- (A) Less changes in fluidity of oil with temperature
- (B) Substantially high change in fluidity of oil with temperature
- (C) Its unsuitability under varying temperature conditions
- (D) None of these
- (A) Oil of vitriol
- (B) Muriatic acid
- (C) Strong organic acid
- (D) Green acid
- (A) Amorphous isotropic material
- (B) Supercooled liquid
- (C) Material with sharp definite melting point
- (D) Electrical insulator
- (A) Mixture of glycerides
- (B) Mixture of esters of polyhydric alcohols excepting glycerine
- (C) Liquid at room temperature
- (D) Mixture of glycerides of fatty acids
- (A) 1
- (B) 2.5
- (C) 5
- (D) 10
- (A) Lower melting point & higher reactivity to oxygen
- (B) Higher melting point & higher reactivity to oxygen
- (C) Lower melting point & lower reactivity to oxygen
- (D) Higher melting point & lower reactivity to oxygen
