A. 0.1 to 0.5
B. 1 to 5
C. 5 to 10
D. 15 to 25
Chemical Process
Chemical Process
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, & C.
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