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Chemistry

Chemistry
The oil used in the froth floatation process is

kerosene oil
pine oil
coconut oil
olive oil

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Chemistry
The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

4.84 x 1017
6.023 x 1019
6.023 x 1023
1.568 x 103

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Chemistry
The most commonly used bleaching agent is

alcohol
carbon dioxide
sodium chlorine
chlorine

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Chemistry
Which of the following is ozone depleting pesticide ?

Ethylene ozonide
Benzene
D.T.
Methyl bromide

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Chemistry
The gas that usually causes explosions in coal mines is

Methane
Air
Hydrogen
Carbon monoxide

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Chemistry
Most commonly used bleaching agent is

Alcohol
Carbon dioxide
Chlorine
Sodium chloride

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MORE MCQ ON Chemistry

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