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Chemistry

Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?

0.2 mole
0.5 mole
0.25 mole
0.4 mole

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Chemistry
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is

10 gram of molecule
1 gram of molecule
5 gram of molecule
0.5 gram of molecule

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Chemistry
The most pure form of Carbon among the options is

Graphite
Lampblack
Wood Charcoal
Anthracite

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Chemistry
Carborundum is another name of

Calcium oxide
Silicon oxide
Silicon carbide
Calcium carbide

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Chemistry
________ is a by product of sewage treatment and can be decomposed to produce biogas

Sewer
Scum
Sewage
Sludge

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Chemistry
Williamson's synthesis is widely used in the laboratory preparation of

Esters
Aldehydes
Alcohols
Ethers

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MORE MCQ ON Chemistry

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