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Chemistry

Chemistry
For extinguishing fire, we use

Marsh gas
Carbon Monoxide
Carbon Dioxide
Hydrogen

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Chemistry
Iodine value is used to estimate

Unsaturation in oil
Alkali content in oil
Carboxylic groups in oil
Hydroxyl groups in oil

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Chemistry
Which type of radiations are absorbed by the upper layer of the atmosphere?

Ultraviolet
Radio-waves
Infrared
Visible

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Chemistry
The monomers of dacron are

Decane and decanol
Ethylene glycol and terephthalic acid
Decanone and decanol
Ethylene glygol and phthalic acid

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Chemistry
How many electrons can be accommodated in d-orbital

3
8
10
6

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Chemistry
Solder metal is an alloy of

Lead and tin
Lead and antimony
Copper and zinc
Copper and tin

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MORE MCQ ON Chemistry

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