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Chemistry

Chemistry
Highest percentage of carbon is found in which form of coal?

Peat
Bituminous
Anthracite
Lignite

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Chemistry
"Paramagnetism" is the property of

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

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Chemistry
The substance that is added to make natural rubber strong and more bouncy is

Polythene
Chlorine
Sulphur
Sponge

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Chemistry
Piped Natural Gas (PNG) is used for

Cooking
Welding
Anaesthesia
Mining

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Chemistry
If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by

Iron
Lead
Mercury
Arsenic

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Chemistry
In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins?

Titanium
Aluminium
Iron
Copper

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MORE MCQ ON Chemistry

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