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Chemistry

Chemistry
Major gaseous pollutant of the thermal power station is

H2 S
NH3
NO2
SO2

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Chemistry
The resources which can be used continuously, year-after -year are called

Non-renewable
Biotic
Renewable
Abiotic

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Chemistry
Which of the following phenomenon is considered responsible for Global Warming?

Dry farming
Greenhouse effect
Fire in coal mines
Trade winds

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Chemistry
Galena is a mineral of

Gold
Iron
Lead
Calcium

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Chemistry
KMnO4 can be used as a/an

Fertiliser
Disinfectant
Insecticide
Pesticide

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Chemistry
Citric acid is present in free form in

Lemon
Apple
Milk
Tamarind

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