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CHEMISTRY

Chemistry
Which of the following metals occurs in free state ?

Lead
Copper
Iron
Zinc

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Chemistry
The “King of Metals” is :

Silver
Aluminium
Iron
Gold

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Chemistry
Which of the following metals is used in Space Crafts to withstand high temperatures ?

Pb
Ni
Fe
Ti

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Chemistry
Phosphorus is kept in water because

Its critical temperature is low
Its critical temperature is high
Its ignition temperature is very low
Its ignition temperature is very high

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Chemistry
The element which is used for vulcanizing rubber

Sulphur
Bromine
Silicon
Phosphorus

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