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Chemistry

Chemistry
The weight of 6.023 × 1022 atoms of carbon is

0.12 gms
120 gms
1.2 gms
12 gms

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Chemistry
A pungent smell often present near the urinals is due to

Chlorine
Urea
Ammonia
Sulphur-di- oxide

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Chemistry
Diamond is lustrous because

It is pure
It is colourless
Its refractive index is high
It is hard

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Chemistry
Which of the following is not a chemical reaction'?

Burning of paper
Conversion of water into steam
Digestion of food
Burning of coal

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Chemistry
A subshell with l=2 can take up

3 electron
8 electron
5 electron
10 electron

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Chemistry
Gas released during Bhopal tragedy was :

Potassium isothiocyanate
Ethyl isothiocyanate
Sodium isothiocyanate
Methyl isothiocyanate

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MORE MCQ ON Chemistry

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