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Chemistry

Chemistry
Hardest allotrope of carbon is

Graphite
Diamond
Lamp black
Coke

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Chemistry
Isobars are lines joining places having equal

Rainfall
Height above sea-level
Pressure
Population

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Chemistry
Which of the following electrodes is used in strongly alkaline solution

Mercury - mercuric oxide electrode
Silver - silver chloride electrode
Mercury - mercurous chloride electrode
Mercury - mercurous sulphate electrode

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Chemistry
The main source of Naphthalene is

Camphor
Coal-tar
Diesel
Charcoal

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Chemistry
Total number of naturally occurring elements

62
98
110
92

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Chemistry
The most electronegative element among the following is

sodium
fluorine
bromine
oxygen

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MORE MCQ ON Chemistry

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