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Chemistry

Chemistry
Total number of halogen elements found in the periodic table is

13
3
8
5

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Chemistry
Chernobyl disaster is the result of pollution by

Radioactive waste
Carbon dioxide
Oil spill
Acid rain

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Chemistry
Identify the metal which is non toxic in nature.

Cobalt
Chromium
Gold
Cadmium

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Chemistry
The gas which is mainly responsible for the green house effect is:

Carbon dioxide
Carbon monoxide
Ozone
Oxygen

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Chemistry
Emulsifier is an agent which

Homogenizes the emulsion
Aids the flocculation of emulsion
Accelerates the dispersion
Stabilizes an emulsion

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Chemistry
"Paramagnetism" is the property of

Unpaired electrons
Paired electrons
Completely filled electronics subshells
Completely vacant electronic subshells

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MORE MCQ ON Chemistry

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