Methane is a colourless, odourless, non-toxic but flammable gas. What is its common name?
A. Blue vitriol
B. Laughing gas
C. Heating gas
D. Marsh gas
Answer: Option D
This Question Belongs to Chemistry GK Chapter Wise >> Organic Chemistry
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Traditional 'battery' contains which of the following chemicals?
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B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
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