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Chemistry

Chemistry
Acid rain is caused by

CO2and CFCs
SO2 and NO2
NO2and particulates
SO2 and particulates

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Chemistry
Commercial nitric acid is coloured because it contains dissolved :

Nitrous oxide
Coloured impurities
Oxygen
Nitrogen dioxide

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Chemistry
How many electrons can be accommodated in d-orbital

3
6
10
8

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Chemistry
Smoke is formed due to

Gas dispresed in solid
Gas dispersed in gas
Solid dispersed in gas
Solid dispresed in liquid

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Chemistry
The chemical substance present in bones and teeth is

Calcium chloride
Calcium sulphate
Calcium phosphate
Calcium borate

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Chemistry
Which of the following appeared to be with a significant potential for accumulation through food chains ?

Carbary
Parathion
DDT
Lindane

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