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Chemistry

Chemistry
The element absorbed both in cation and anion form is

Sulphur
Nitrogen
Phosphorus
Calcium

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Chemistry
Colloids can be purified by

Dialysis
Condensation
Condensation
Condensation

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Chemistry
Mixture can be

Heterogeneous
Both A and B
Pure substance
Homogeneous

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Chemistry
Malathion is a/an

Pesticide
Insecticide
Preservative
Fumigant

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Chemistry
The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas

Will be reduced to half
Remains unchanged
Will be doubled
Will increase four-fold

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Chemistry
The value of gas constant R in Ergs deg–1 mole–1 is

8.341 × 107
4.183 × 107
8.314 × 107
8.413 × 107

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