- (A) 0.1 to 0.5
- (B) 1 to 5
- (C) 5 to 10
- (D) 15 to 25
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- (A) Laminates
- (B) Card boxes
- (C) Furniture
- (D) Books
- (A) It is very corrosive at elevated temperature
- (B) Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)
- (C) It decomposes on further increasing the temperature
- (D) None of these
- (A) Butyl alcohol
- (B) Propyl alcohol
- (C) Ethanol
- (D) Methyl alcohol
- (A) Sulphur
- (B) Charcoal
- (C) Potassium nitrate
- (D) All A , B, &
- (A) Phosphate rock with phosphoric acid
- (B) Phosphate rock with sulphuric acid
- (C) Phosphate rock with nitric acid
- (D) Ammonium phosphate with phosphoric acid
- (A) 15
- (B) 35
- (C) 55
- (D) 70
- (A) Bakelite
- (B) Teflon
- (C) Celluloid
- (D) Dacron
- (A) Carbon, hydrogen, nitrogen & sulphur
- (B) Carbon, ash, sulphur & nitrogen
- (C) Carbon, sulphur, volatile matter & ash
- (D) Carbon, volatile matter, ash & moisture
- (A) Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
- (B) Inhibits its corrosive effects
- (C) Does not allow redeposition of dirt on the cleaned surface
- (D) None of these
