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Chemistry

Chemistry
Which of the following is not a precious/semi-precious stone?

Sapphire
Pearl
Emerald
Ruby

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Chemistry
The filter over which sewage is sprinkled is called as

Trickling filter
Percolating filter
Contact bed
Intermittent sand filter

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Chemistry
Which one of the following organic compounds has fruity smell?

Ether
Aldehyde
Ester
Alcohol

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Chemistry
Which of the following is the best fuel in terms of energy released per gram of fuel?

Ethanol
Butane
Hydrogen
Methane

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Chemistry
'Fire-fighting clothes' are made from

Asbestos
Steatite
Talc
Mica

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Chemistry
By-product obtained by soap industry is

Caustic soda
Naphthalene
Glycerol
Caustic potash

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MORE MCQ ON Chemistry

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