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
Chemical Process
Chemical Process
A. Adhesive
B. Abrasive
C. Type of glass
D. Brittle material
A. Caustic soda
B. Soda ash
C. Bromine from sea water
D. Hydrochloric acid
A. Substrate
B. Enzyme
C. Nutrient
D. None of these
A. Metals
B. Alloys
C. Refractories
D. Non-metals
A. Calcium chloride
B. Potassium sulphate
C. Sodium sulphate
D. Calcium sulphate
A. Used in glycerine manufacture
B. An explosive
C. Used in dye manufacture
D. None of these
A. Chlorine
B. Ferric sulphate
C. Calcium sulphate
D. Activated carbon
A. Jena
B. Flint
C. Crookes
D. Pyrex
A. Cutting
B. Fibrillation
C. Hydration
D. Strengthening