A. CaSO4.½H2O
B. Used for setting of broken bones
C. Both A. and B.
D. Same as gypsum
Plaster of Paris is __________________? Read More »
Chemical Process A. Copper sulphate
B. Ferrous sulphate
C. Copper nitrate
D. Aluminium sulphate
Blue vitriol is chemically___________________? Read More »
Chemical Process A. Fertiliser
B. Steel
C. Paper
D. Paint
Sulphuric acid is mainly used in the _______________ industry ? Read More »
Chemical Process A. A slow reaction
B. A discontinuous reaction (requiring regeneration of iron by water gas intermittently)
C. Still in development stage (by employing fluidised bed technique)
D. All A , B. and C
A. Adhesive
B. Abrasive
C. Type of glass
D. Brittle material
Silicon carbide is a/an_______________? Read More »
Chemical Process A. Caustic soda
B. Soda ash
C. Bromine from sea water
D. Hydrochloric acid
Le-Blanc process is a primitive process for the manufacture of___________________? Read More »
Chemical Process A. Substrate
B. Enzyme
C. Nutrient
D. None of these
A. Metals
B. Alloys
C. Refractories
D. Non-metals
Electro deposition of metals i.e. electroplating is never done on_____________________? Read More »
Chemical Process A. Calcium chloride
B. Potassium sulphate
C. Sodium sulphate
D. Calcium sulphate
Gypsum is chemically __________________ ? Read More »
Chemical Process A. Used in glycerine manufacture
B. An explosive
C. Used in dye manufacture
D. None of these
Trinitro-toluene (TNT) is _________________ ? Read More »
Chemical Process