Category: Chemical Process

A. A thermosetting material
B. A condensation polymerisation product
C. Made by employing emulsion polymerisation
D. None of these

A. SO3 and 80kg of H2SO4
B. H2SO4 and 80kg of SO3
C. SO3 for each 100 kg of H2SO4
D. None of these

A. 10
B. 20
C. 50
D. 85

A. Causes reduction in its dissolved oxygen content thereby endangering the life of aquatic
creatures
B. Reduces sulphate ions to sulphides causing obnoxious smell
C. Increases the quantity of chlorine used for its purification
D. All A, B. and C.

A. 7-14 and 14-30
B. 7-14 and 40-50
C. 14 – 30 and 40-50
D. 10 – 20 and 40 – 50

A. Colloids
B. Gel
C. Butter
D. Emulsion

A. Polymer
B. Printing
C. Dyeing
D. Photographic

A. Detergent
B. Rubber
C. Pesticide
D. Polyester

A. SO3
B. H2SO4
C. H2SO3
D. SO2

A. Disinfection and control of taste & odour
B. Corrosion control
C. Removing turbidity
D. Control of bacteria