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Chemistry

Chemistry
Most commonly used bleaching agent is

Sodium chloride
Carbon dioxide
Alcohol
Chlorine

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Chemistry
The most suitable unit for expressing nuclear radius is :

Nanometre
Angstrom
Micron
Fermi

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Chemistry
Of the following compounds of calcium, the one having highest covalent character is

Cal2
CaF2
Cacl2
CaBr2

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Chemistry
Maximum permissible concentration of copper in drinking water in mg/L is

1
0.05
0.01
2

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Chemistry
In galvanization, iron is coated with

Zinc
Nickel
Tin
Copper

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Chemistry
Oxide of sulphur present in the atmosphere are washed down by rains to cause :

Industrial smog formation
Depletion of fossil fuel reserves
Eutrophication in lakes
Lowering of pH of soil

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MORE MCQ ON Chemistry

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