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Chemistry

Chemistry
Which one is the most reactive gaseous element

Flourine
Iodine
Bromine
Chlorine

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Chemistry
Milk is

Foam
Gel
Emulsion
Suspension

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Chemistry
Which of the following is used as a lubricant in heavy machines?

Graphite
Phosphorus
Bauxite
Sulphur

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Chemistry
Which gas is used as fire extinguisher ?

Carbon dioxide
Carbon monoxide
Sulphur dioxide
Carbon suboxide

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Chemistry
The green colour seen in firework displays is due to the chloride salt of :

Barium
Strontium
Calcium
Sodium

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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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MORE MCQ ON Chemistry

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