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Chemistry

Chemistry
Earth’s atmosphere is an envelope of gases extending to a height of

150 km
300 km
100 km
200 km

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Chemistry
Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ?

Incineration
All listed here
Landfills
Pyrolysis and Gasification

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Chemistry
Submarines move under water. They have engines that run on

Steam
Diesel
Batteries
Petrol and oxygen

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Chemistry
Pollutant from motor car exhaust that causes mental disease is

Hg
Lead
SO2
NO2

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Chemistry
Which among the following is liquid non-metal ?

Alcohol
Water
Bromine
Mercury

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Chemistry
Liquid Nitrogen boils at

77 kelvin
97 Kelvin
82 Kelvin
54 kelvin

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MORE MCQ ON Chemistry

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