A solution is a __________ mixture.

(a)

homogeneous

(b)

heterogeneous

(c)

homogeneous and heterogeneous

(d)

non homogeneous

The number of components in a binary solution is _____________

(a)

2

(b)

3

(c)

4

(d)

5

Under which of the following cases, dissolution of sugar will be rapid?

(a)

Sugar crystal in hot water

(b)

Sugar crystal in cold water

(c)

Powdered sugar in hot water

(d)

Powdered sugar in cold water

A beaker contains a solution of copper sulphate. precipitation of copper sulphate takes place when small amount of it added to ________ solution.

(a)

Saturated

(b)

Super saturated

(c)

Unsaturated

(d)

Concentrated

Quick lime is dissolved in water is a ______________ process.

(a)

exothermic

(b)

endothermic

(c)

reversible

(d)

both (a) and (b)

The component present in lesser amount, in a solution is called _____________

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Solute

Example for liquid in solid type solution is ______________

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Amalgam (or) mercury with sodium

Solubility is the amount of solute dissolved in _____ g of solvent.

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100

Polar compounds are soluble in _____ solvents.

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polar

Volume percentage decreases with increases in temperature because _____.

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of expansion of liquids

Iodine dissolved in carbon tetrachloride is an example of _______________

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non aqueous solution

The effect of pressure on the solubility of a gas in liquid is given by ____________

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Henry's law

Volume percentage decreases with __________ in temperature

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increase

Blue vitriol contains _____________ molecules of water of crystallisation

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5

Blue vitriol is ______________

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CuSO₄.5H₂O

Deliquescence

(1)

CaO

Hygroscopic

(2)

Soda water

Liquid in solid

(3)

NaOH

Liquid in gas

(4)

Cloud

Gas in liquid

(5)

Amalgam