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CHEMISTRY

Chemistry
The process which does not evolve CO2 in air is

Photosynthesis
Burning
Organic delay
Breathing

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

Antimony
Lead
Chromium
Zinc

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

Sublimation
Corrosion
Reduction
Galvanisation

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Chemistry
An electric iron has a heating element made of :

Tungsten
Nichrome
Zinc
Copper

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Chemistry
The metal chiefly used for galvanising iron is :

Cadmium
Tin
Mercury
Zinc

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