SOLUTIONS

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SOLUTIONS

Prepared by - Gowthamraj V GHS - Kadukalur - 7010900331

A 25% alcohol solution means *

1 point

a) 25 ml alcohol in 100 ml of water

b) 25 ml alcohol in 25 ml of water

c) 25 ml alcohol in 75 ml of water

d) 75 ml alcohol in 25 ml of water

Deliquescence is due to __________. *

1 point

a) Strong affinity to water

b) Less affinity to water

c) Strong hatred to water

d) Inertness to water

Solubility of NaCl in 100 ml water is 36 g. If 25 g of salt is dissolved in 100 ml of water how much more salt is required for saturation __________. *

1 point

a) 12g

b) 11g

c) 16g

d) 20g

When pressure is increased at constant temperature the solubility of gases in liquid __________. *

1 point

a) No change

b) increases

c) decreases

d) no reaction

A solution in which no more solute can be dissolved in a definite amount of solvent at a given temperature is called __________. *

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a) Saturated solution

b) Un saturated solution

c) Super saturated solution

d) Dilute solution

Identify the non aqueous solution. *

1 point

a) sodium chloride in water

b) glucose in water

c) copper sulphate in water

d) sulphur in carbon–di–sulphide

The number of components in a binary solution is __________. *

1 point

a. 2

b. 3

c. 4

d. 5

Which of the following is hygroscopic in nature? *

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a) ferric chloride

b) copper sulphate penta hydrate

c) silica gel

d) none of the above

Which of the following is the universal solvent? *

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a) Acetone

b) Benzene

c) Water

d) Alcohol

A solution is a __________ mixture. *

1 point

a) homogeneous

b) heterogeneous

c) homogeneous and heterogeneous

d) non homogeneous

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