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Chemistry

Chemistry
Which of the following metals occurs in free state ?

Zinc
Iron
Copper
Lead

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Chemistry
The major constituent of air is

oxygen
carbon dioxide
hydrogen
nitrogen

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Chemistry
Element 106 was discovered by

Lawrence
Kurchatove
Rutherford
Seaborg

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Chemistry
Non-stick kitchenwares are coated with

Silicon
PVC
Teflon
Graphite

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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
Mercury
Arsenic
Lead

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Chemistry
Nylon is made up of :

Polypropylene
Polyester
Polyethylene
Polyamide

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MORE MCQ ON Chemistry

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