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Home
All Subjects
CSS
CSS MPT
CSS Subjects MCQs
CSS Past Papers
Past Papers
Testing Agencies Papers
Departmental Past Papers
Post Wise Papers
Service Related MCQs
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Service Commission
FPSC
PPSC
SPSC
BPSC
KPPSC
Current Affairs
National Current Affairs MCQs
International Current Affairs MCQs
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Question
Subject:
Review
The main Constituent of Biogas is__________?
A.
Methane
B.
Hydrogyn
C.
Oxygen
D.
Carbin dioxide
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