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Chemistry

Chemistry
The gas that is used in the manufacture of vanaspati ghee is :

Carbon dioxide
Nitrogen
Hydrogen
Oxygen

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Chemistry
Which type of fire extinguisher is used for petroleum fire ?

Powder type
Foam type
None of these
Soda acid type

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Chemistry
The coordination number of body centered atom in cubic structure is

6
4
10
8

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Chemistry
Which one is the naturally occuring heaviest element

Thorium
Mercury
Uranium
Protactinium

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Chemistry
Iron rusts quickly in

River water
Rain water
Distilled water
Sea water

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Chemistry
Electric fuse is an alloy of

Tin and lead
Copper and iron
Carbon and tin
Zinc and lead

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