Hamad Environmental Chemistry 09/01/2024 A. 10 B. 100 C. 10000 D. 100000 Related Mcqs: Which of the following is a macro nutrient ?A. boron B. iron C. copper D. carbon... In the purification of portable water the coagulant used is_________________?A. alum B. nickel sulphate C. copper sulphate D. barium sulphate... Newspaper can be recycled again and again how many times ?A. 2 B. 3 C. 4 D. 5... Major cause of SO2 on global scale is__________________?A. volcanoes B. electric sparks C. combustion D. all... The yellow colour in photochemical smog is due to presence of__________________?A. dinitrogen oxide B. nitrogen dioxide C. chlorine gas D. chlorine dioxide...
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