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Chemistry

Chemistry
The most abundant element by number in the living system is :

Nitrogen
Hydrogen
Oxygen
Carbon

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Chemistry
Which of the following molecules has a bond order of 2.5

F2
CO
NO
HCL

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Chemistry
Total number of naturally occurring elements

62
110
98
92

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Chemistry
The most volatile of the given liquids is

Liquid NH3
Liquid He
Liquid
Ether

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Chemistry
Organic compounds are

Co-ordination compounds
Ionic compounds
Interstitial compounds
Covalent compounds

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Chemistry
Iodine can be separated from a mixture of Iodine and Potassium Chloride by

Distillation
Sedimentation
Sublimation
Filtration

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MORE MCQ ON Chemistry

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