General knowledge(GK)/Competitive Exams (History) Part 4 MCQs :- multiple choice questions and answers. e.g General knowledge(GK) MCQS,General knowledge(GK) Mock Tests , General knowledge(GK) Practice Papers ,General knowledge(GK) Sample Test,General knowledge(GK) Sample questions

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Question 1: Which among the following is the dangerous Green House Gas, created by the Waste Water?

Methane

Nitrogen

Ethane

None

Total MCQS Questions are 100 in this paper Competitive Exams (History) Part 4
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