Category: Chemical Process

A. Exothermic heat
B. Hissing sound
C. Slaked lime
D. All A , B. & C .

A. Phosphates
B. Chromates
C. Sulphates
D. Bi-carbonates

A. Sulphur
B. Charcoal
C. Potassium nitrate
D. All A , B, & C.

A. Fatty acid
B. Fatty alcohols
C. Tallow
D. Detergents

A. Refractory material
B. Synthetic resin
C. Artificial abrasive
D. Blue pigment

A. Maltose
B. Starch
C. Sucrose
D. Glucose

A. Addition of alum (a coagulant)
B. Boiling
C. Filtration (through gravity sand filter)
D. Addition of lime

A. NaOH
B. H2SO4
C. Hydrazine
D. Alum solution

A. From waste sulphite substrate of paper mills
B. By Esterification and hydrolysis of ethylene
C. From molasses
D. None of these

A. Metals
B. Alloys
C. Refractories
D. Non-metals