Hamad Environmental Chemistry 23/09/2021 A. alum B. nickel sulphate C. copper sulphate D. barium sulphate Related Mcqs: Which one of the following makes the bulk of hydrospheres content ?A. oceans B. glaciers & icecaps C. fresh water lakes and ponds D. All have equal distribution... The percentage of suspended solid waste in raw water is removed by coagulation is__________________?A. 60 B. 70 C. 80 D. 90... Which of the following gases is the main cause of acid rain ?A. CO B. NO2 C. both a & b D. none of the above... A single chlorine free radical can destroy how many ozone molecules ?A. 10 B. 100 C. 10000 D. 100000... Chlorination of water may be harmful if the water contains_________________?A. Ammonia B. Dissolved oxygen C. Carbon dixide D. All...
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