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Chemistry

Chemistry
Liquid Nitrogen boils at

54 kelvin
97 Kelvin
77 kelvin
82 Kelvin

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Chemistry
The trans-uranium elements are the chemical elements with atomic numbers greater than

96
92
86
89

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Chemistry
Soap helps in better cleaning of clothes because

It gives strength to solution
Soap acts like catalyst
It absorbs the dirt
It reduces the surface tension of solution

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Chemistry
Persons working in cement plants and lime stone quarries are prone to disease like

Pneumoconiosis
Cancer
Asthma
Silicosis

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Chemistry
Iodex, a pain relief balm, has the smell of ________ .

Butyl salicylate
Propyl salicylate
Ethyl salicylate
Methyl salicylate

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Chemistry
Organic compounds are

Covalent compounds
Ionic compounds
Co-ordination compounds
Interstitial compounds

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MORE MCQ ON Chemistry

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