CBES Board Class 10/ENVIRONMENTAL CHEMISTRY II WATER MCQS MCQs :- multiple choice questions and answers. e.g CBES Board Class 10 MCQS,CBES Board Class 10 Mock Tests , CBES Board Class 10 Practice Papers ,CBES Board Class 10 Sample Test,CBES Board Class 10 Sample questions

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Question 1: The ratio of hydrogen (H) and oxygen (O) in water molecule by volume is

0.084027778

0.043055556

0.125694444

0.167361111

Total MCQS Questions are 60 in this paper ENVIRONMENTAL CHEMISTRY II WATER MCQS
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