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Chemistry

Chemistry
The element with highest ionization potential is

Oxygen
Carbon
Boron
Helium

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Chemistry
Higher concentration of nitrogen dioxide in atmosphere air causes

Asphyxiation
Bronchitis
Corrosion
Cancer

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Chemistry
Which one is the purest form of carbon

Graphite
Diamond
Coal
Iron

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Chemistry
The number of g-molecule of oxygen in 6.02 x 1024CO molecules is

10 gram of molecule
0.5 gram of molecule
1 gram of molecule
5 gram of molecule

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Chemistry
Which of the following is a monoatomic gas?

Oxygen
Neon
Nitrogen
Fluorine

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Chemistry
Alum is used as

A purifier for water
An analgesic
A fertilizer
A disinfectant

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MORE MCQ ON Chemistry

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