A. Cermet
B. Cement
C. Abrasive
D. Explosive
A. Flocculate the impurities
B. Facilitate fast filtration
C. Both A. and B.
D. Neither A. nor B.
A. Polyvinyl chloride
B. Polythene
C. Bakelite
D. Teflon
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
A. Low co-efficient of expansion
B. High co-efficient of expansion
C. High melting point
D. Both B. and (C)
A. Make it corrosion resistant
B. Make glossy surface
C. Give elasticity & prevent cracking of the film
D. Increase atmospheric oxidation
A. Colloidal impurities
B. Dissolved oxygen
C. Turbidity
D. Chlorinous taste