Chemical Process - Study Mode
[#201] Sodium chloride content in sea water is about __________ gms/litre.
Correct Answer
(C) 25
[#202] Basic oxide is absent in __________ glass.
Correct Answer
(C) Quartz
[#203] Sulphur addition in soap is done to
Correct Answer
(B) Cure pimples & dandruff
[#204] Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.
Correct Answer
(B) Cl 2
[#205] Roasting of metallurgical ores is done mainly to
Correct Answer
(D) Remove arsenic & sulphur