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CHEMISTRY

Chemistry
The process which does not evolve CO2 in air is

Organic delay
Photosynthesis
Burning
Breathing

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

Chromium
Antimony
Lead
Zinc

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Chemistry
Iron is prevented from rusting by coating with zinc. This process is called as

Galvanisation
Reduction
Sublimation
Corrosion

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Chemistry
An electric iron has a heating element made of :

Zinc
Nichrome
Tungsten
Copper

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Chemistry
The metal chiefly used for galvanising iron is :

Zinc
Mercury
Tin
Cadmium

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