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Chemistry

Chemistry
Methanoic and ethanoic acids can be distinguished by the action of

SOCl2
Tollen's reagent
NaOH
NaHCO3

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Chemistry
Bleaching action of moist sulphur di-oxide is because of its

Reducing property
Basic property
Acidic property
Oxidising property

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Chemistry
Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

Infinity
2J
4J

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Chemistry
Epsom salt is used

In making tooth paste
In softening water
In paper industry
As purgative

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Chemistry
Which one of the following is not coal variety?

Bituminous
Dolomite
Lignite
Peat

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Chemistry
In a period from Li to F, ionisation potential

Increases
Decreases
Cannot be predicted
Remains same

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