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CHEMISTRY

Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Iron
Copper
Aluminium
Zinc

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Chemistry
The wire of flash bulb is made of:

Silver
Magnesium
Barium
Copper

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Chemistry
Identify the metal which is non toxic in nature.

Cadmium
Chromium
Gold
Cobalt

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Chemistry
Iron rusts quickly in

Rain water
Sea water
Distilled water
River water

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Chemistry
Mercury is a :

Solid metal
Liquid non-metal
Liquid metal
Solid non-metal

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