Chapter 6 – Solutions

Solutions – MCQ’s

  1. The emulsions are the type of solution:

(a) Solid in solid

(b) Liquid in solid  ✓

(c) Gas in liquid

(d) None of these

  1. In true solution, the particle are the type of solution:

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(a) 0.1mµ             ✓

(b) 10.0 mµ

(c) 0.5mµ

(d) 1.0 mµ

  1. Which property is not for suspensions?

(a) Homogeneous

(b) Cannot be seen by naked eye            ✓

(c) Not a true solution

(d) Solid in liquid

  1. The concentration of the solute in solution, when it is en equilibrium with solid substance, at a particular temperature is called:

(a) Molarity

(b) Dilution

(c) Colloidal solution

(d) Supersaturated solution  ✓

  1. A solution containing relatively higher concentration of solute is called:

(a) Dilute solution

(b) Saturated solution

(c) Concentrated solution   ✓

(d) Suspension

  1. Fog is an example of solution:

(a) Solid in gas             ✓

(b) Liquid in gas

(c) Liquid in solid

(d) Solid in liquid

  1. Emulsions are the colloidal dispersion of liquid in:

(a) Solid           ✓

(b) Gas

(c) liquid

(d) Water

  1. The suspension particles have appearance:

(a) Uniform

(b) Transparent

(c) Opaque        ✓

(d) Both ‘A’ and ‘B’

  1. Starch, glue are the examples of:

(a) Colloidal solution

(b) Solution

(c) Colloids                ✓

(d) Crystalloids

  1. Solution which can dissolve further amount of a solute at particular temperature is called:

(a) Saturated solution

(b) Unsaturated solution   ✓

(c) Colloidal solution

(d) Supersaturated solution

  1. The solution which can easily pass through parchment membrane is considered as:

(a) Colloidal solution

(b) True solution    ✓

(c) Suspensions

(d) Crystalloids

  1. Change of temperature can change the______ of a solute in a solvent.

(a) Dilution

(b) Solubility           ✓

(c) Molarity

(d) Dipole moment

  1. The ionic and polar compounds like NaCl and HCl are more soluble in water than non-polar covalent compounds like.

(a) CCl4

(b) Benzene

(c) CS2

(d) All of these  ✓

  1. Which one produced colloidal solution

(a) Blood                      ✓

(b) Cooper Sulphate solution

(c) Silver nitrate solution

(d) None of these

  1. Concentration is most often expressed as the ratio of the amount of _________to the amount of solution.

(a) Solute           ✓

(b) solvent

(c) brine

(d) salt

  1. Number of moles of solute per dm3 of the solution is called:

(a) Molarity        ✓

(b) molality

(c) normality

(d) density

  1. Sodium amalgam which two metals as present

(a) Na and Mg

(b) Na and Mµ

(c) Na and Hg          ✓

(d) Zn and Co

  1. The concentrated solution of NaCl is called:

(a) Fluid

(b) Brass

(c) Brine            ✓

(d) Plasma

  1. Brass is a familiar alloy, made of:

(a) zinc + carbon

(b) Zinc + copper      ✓

(c) copper + iron

(d) zinc + lead

  1. The homogeneous mixture of two or more compounds is called:

(a) solute

(b) solvent

(c) solution       ✓

(d) fluid

  1. Which of the following solutions contains least amount of water?

(a) 2M           ✓

(b) 1M

(c) 0.5 M

(d) 0.25M

  1. Opal is an example of solution

(a) Liquid in solid

(b) Solid in gas

(c) Solid in solid             ✓

(d) Gas in liquid

  1. 1M solution is diluted to ten time, its new morality is:

(a) 0.01M            ✓

(b) 0.9M

(c) 0.2M

(d) 0.1M

  1. Which one of the following is true solution?

(a) Paints

(b) Alcohol in water  ✓

(c) Milk

(d) Milk of magnesia

  1. Heat is absorbed on dissolving which one of the following salts:

(a) NaCl

(b) Ce2(SO4)3

(c) NaNO3            ✓

(d) Li2SO4

  1. Smoke is an example of solution

(a) Solid in gas             ✓

(b) Gas in liquid

(c) Liquid in solid

(d) Gas in solid

  1. KCl is soluble in

(a) Water                  ✓

(b) Benzene

(c) Ether

(d) Kerosene oil

  1. Naphthalene is soluble in

(a) Water

(b) Ether

(c) Carbon tetrachloride

(d) Both (b) and (c)  ✓

  1. Blood is an example of

(a) True solution

(b) Suspension

(c) Colloid                  ✓

(d) None of all

  1. 20 g of NaOH has been dissolved in 0.5dm3 of the solution its molarity is:

(a) 0.1M

(b) 1.0M  ✓

(c) 0.5M

(d) 1.5M

  1. What mass of NaOH is required to prepare 1M 500cm3 of the solution:

(a) 10g

(b) 20g  ✓

(c) 30g

(d) 40g

  1. What volume of 2M solution of H2SO4 is required to prepare 500 cm31M solution?

(a) 10cm3

(b) 15cm3

(c) 20cm3

(d) 25cm3  ✓

  1. 2g of NaCl has been dissolved in 20.0g of H2O, its % m/m is

(a) 9.09%  ✓

(b) 19.09%

(c) 1.9%

(d) 10.0%

  1. Identify among the following which one is universal solvent?


(b) Liquid ammonia

(c) Water  ✓

(d) Ethanol

  1. Which one of the following salts gives out heat on dissolving in water?

(a) NaCl

(b) Ce2 (SO4)3  ✓

(c) KNO3

(d) KCl

  1. Mist is an example of solution

(a) Liquid in gas  ✓

(b) Gas in liquid

(c) Solid in gas

(d) Gas in solid

  1. Which one of the following is a liquid in solid solution?

(a) Sugar in water

(b) Butter

(c) Solvent to solution

(d) Fog  ✓

  1. Which one of the following solutions contains more water?

(a) 2 M

(b) 1 M

(c) 0.5 M

(d) 0.25 M  ✓

  1. Tynadall effect is shown by

(a) Sugar solution

(b) Jelly  ✓

(c) Paints

(d) Chalk solution

  1. Tyndall effect is due to

(a) Blockage of beam of light

(b) Non-scattering of beam of light

(c) Scattering of beam of light  ✓

(d) Passing through beam of light

  1. If 10cm3 of alcohol is dissolved in 100g of water, it is called

(a) % m/m

(b) % m/v

(c) % v/m  ✓

(d) % v/v

  1. Sea water is a source of

(a) Fog

(b) Opal  ✓

(c) Soft drink

(d) Cheese

  1. Which one of the following solutions contains maximum amount of water?

(a) 2M

(b) 1M

(c) 0.5 M

(d) 0.25 M  ✓

  1. Brass is a solid solution of

(a) Zn and Cd

(b) Zn and Cu  ✓

(c) Zn and Hg

(d) Zn and Mg

  1. 10cm3 of 0.01 molar KMnO4 solution has been diluted to 100 cm3 its molarity will become

(a) 0.001 M  ✓

(b) 0.1 M

(c) 0.01M

(d) 1 M

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