Which of the following statements about ...

Which of the following statements about the dissolution of ammonium chloride in water is (are) correct ?

the temperature of the solution increases.

The solution becomes alkaline.

the solution become acidic

The temperature of the solution decreases.

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The correct Answer is:

C, D

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Which of the following statements about Be is not correct?

Be has a high charge/size ratio

Be shows diagonal relationship with Al

Be forms `BeSO_4` which is soluble in water

Be is unstable in air.

Water can act both as acid and as a base

There is extensive intramolecular hydrogen bonding in the condensed phase

Ice formed by heavy water sinks in normal water

Water is oxidised to oxygen during photosynthesis

Water is oxidized to oxygen during photosynthesis.

Water can act both as an acid and as a base.

There is extensive intramolecular hydrogen bonding in the condensed phase

Ice formed by heavy water sinks in normal water