Very fine suspended and colloidal impurities are removed from water by a process called___________________?
A. Sedimentation
B. Coagulation
C. Disinfection
D. Softening
A. Sedimentation
B. Coagulation
C. Disinfection
D. Softening
A. 4 kgf/cm2 & 500°C
B. 10 kgf/cm2 & 1000°C
C. 40 kg/cm2 & 200°C
D. 100 kgf/cm2 & 500°C
A. Phosphate rock with phosphoric acid
B. Phosphate rock with sulphuric acid
C. Phosphate rock with nitric acid
D. Ammonium phosphate with phosphoric acid
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Can be repeatedly melted
B. Is useful for melt casting
C. Cannot be melted after forming
D. Is useful for sning
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.