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Chemistry

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

Strontium
Sodium
Barium
Calcium

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Chemistry
The function of sedimentation tank in sewage treatment is to:

Aerate the sewage
Disinfect the sewage
Remove water content
Remove suspended solids

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Chemistry
1 carat of diamond is equal to

200 mg
100 mg
100 g
200 g

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Chemistry
Physico-chemical characteristics of water in water sources undergo changes due to

Auatic fungi
Evapotranspiration
Aquatic macrophytes
Effluents

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Chemistry
Galvanization is the :

Deposition of copper on iron
Deposition of aluminium on iron
Deposition of zinc on iron
Deposition of tin on iron

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Chemistry
Asbestos is formed of :

Calcium and Zinc
Copper, Zinc and Manganese
Lead and Iron
Calcium and Magnesium

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MORE MCQ ON Chemistry

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