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Chemistry

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

Arsenic
Mercury
Iron
Lead

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Chemistry
The nuclear particle having no mass and no charge, but only spin is

Proton
Meson
Neutrino
Electron

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Chemistry
Burning pyrites ore gives out

Sulphur dioxide gas
Nitric oxide gas
Carbon dioxide gas
Nitrogen dioxide gas

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Chemistry
Which is the purest commercial form of iron ?

Pig iron
Stainless steel
Wrought iron
Steel

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Chemistry
Carbon footprint can be reduced by

All of these
Recycling waste materials
Commuting by public transport
Using energy efficient appliances

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Chemistry
The metal used to galvanise iron to protect it from rusting is

Chromium
Zinc
Antimony
Lead

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MORE MCQ ON Chemistry

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