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Chemistry

Chemistry
Which one element has the highest electronegativity value

Fluorine
Chlorine
Nitrogen
Lithium

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Chemistry
Rectified spirit is :

95% ethyl alcohol
Methylated spirit
100% ethyl alcohol
Tincture iodine

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Chemistry
In organic compounds, nitrogen is estimated by

Victor-Meyer's method
Liebig's method
Dumas method
Carius method

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Chemistry
The chemical bahaviour of an atom depends upon

The number of protons in its nucleus
The number of electrons orbiting around the nucleus
The number of nucleons in the nucleus
The number of neutrons in the nucleus

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Chemistry
The metal ion present in Vitamin B12 is

Iron
Cobalt
Zinc
Nickel

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Chemistry
Which gas is used as fire extinguisher ?

Sulphur dioxide
Carbon suboxide
Carbon monoxide
Carbon dioxide

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MORE MCQ ON Chemistry

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