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Chemistry

Chemistry
How many neutrons are there in 92U238 atom ?

146
238
92
330

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

Arsenic
Iron
Mercury
Lead

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Chemistry
For extinguishing fire, we use

Hydrogen
Carbon Dioxide
Carbon Monoxide
Marsh gas

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Chemistry
Sea weeds are important source of

Iodine
Iron
Chlorine
Bromine

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Chemistry
Polythene is polymer of

Acetylene
Aniline
Propylene
Ethylene

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Chemistry
Persons working in cement plants and lime stone quarries are prone to disease like

Silicosis
Pneumoconiosis
Asthma
Cancer

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MORE MCQ ON Chemistry

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