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Chemistry

Chemistry
Aspirin is common name of

Methyl Salicylate
Salicylic Acid
Acetyl Salicylic Acid
Salicylate

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Chemistry
In chemical terms, what are alums used for purifying water for drinking purposes ?

Double sulphates
Double nitrate
Nitrates of aluminium
Hydrated chlorides

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Chemistry
The unit to measure the flow of water is

Ohm meter
Micro Mho
Milli curie
Cusecs

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Chemistry
Which one of the following chemicals helps in fruit ripening?

Atrazine
Isoproturan
Ethephon
Malathion

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Chemistry
Ozone saves the biosphere by absorbing high energy radiations called ________ .

Gamma rays
X–rays
Ultraviolet rays (UV)
Infra-red (IR)

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Chemistry
Which of the following is used as a lubricant in heavy machines?

Sulphur
Phosphorus
Bauxite
Graphite

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