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Chemistry

Chemistry
Saline soil contains

High concentration of salt
Hard rocks
Lot of moisture
None of these

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Chemistry
What is the second largest component in milk ?

Fat
Water
Minerals
Sugar

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Chemistry
Ultraviolet radiation striking the earth is due to the depletion of

Oxygen
Carbon monoxide
Ozone
Carbon dioxide

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Chemistry
An important green-house gas other than methane being produced from the agricultural fields is

Ammonia
Sulphur dioxide
Nitrous oxide
Arsine

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Chemistry
Among the following, which is always found in free-state in nature?

Silver
Copper
Sodium
Gold

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Chemistry
Select the one which is not a mixture :

LPG
Distilled water
Air
Gasoline

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