MCQs of Chapter # 07 [Solution and Suspension] Class IX

 

Chemistry IX

MCQs [Chapter# 07]

 

i.                    Foam/ froth is:

a.       Suspension of droplets of one liquid into another

b.     Suspension of gas in liquid

c.       Suspension of fine particles of soil in liquid

d.      Suspension of particles of carbon in air

 

ii.                 It is usually lesser in quantity:

a.      Solute

b.      Solvent

c.       Solution

d.      Suspension

 

iii.               Solubility is:

a.       Strength of solute

b.      Strength of solvent

c.      Strength of solution

d.      Strength of suspension

 

iv.                Solubility of solid and liquid:

a.       Increase with increase in pressure

b.      Increase with decrease in pressure

c.       Decrease with increase in pressure

d.     No change

 

v.                  The solution in which solute has less quantity than solvent is:

a.       Saturated solution

b.     Unsaturated solution

c.       Super saturated solution

d.      All of the above

 

vi.                Which of the following(s) is/are the characteristic(s) of Crystalline solid?

a.       Sharp melting point

b.      Regular and definite shape

c.       Contain water of crystallization

d.     All of the above

 

vii.             The breakdown of water is:

a.      Hydrolysis

b.      Hydration

c.       Hydrogenation

d.      Dehydrogenation

 

viii.           Number of solutes dissolve in 1000 gm of solvent is:

a.       Molarity

b.     Molality

c.       Normality

d.      Mole fraction

 

ix.                The value of mole fraction is always:

a.       Less than1

b.      Greater than 1

c.      Equals to 1

d.      Always 0

 

x.                  The particular mass of solute dissolves in definite volume of solvent:

a.      Mass by mass percentage concentration

b.      Mass by volume percentage concentration

c.      Volume by mass percentage concentration

d.      Volume by volume percentage concentration