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Chemistry

Chemistry
Atoms having the same number of protons but different number of neutrons are called :

Isotopes
Higgs-boson
Cations
Anions

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Chemistry
The metal present in vitamin B12 is

Mo
Co
Mg
Fe

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Chemistry
Which of the following is a secondary pollutant ?

CO
NO
SO2
PAN

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Chemistry
Which gas is used for converting vegetable oils into saturated fats ?

SO2
H2
O2
Cl2

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Chemistry
The depletion of ozone layer is due to

Sulphur dioxide
Ethane
Carbon dioxide
Chloro fluoro carbon

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Chemistry
Colloids can be purified by

Condensation
Condensation
Dialysis
Condensation

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MORE MCQ ON Chemistry

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