MEDIUM
8th Kerala Board
IMPORTANT
Earn 100

Classify and tabulate the mixtures given below into solution, colloid and suspension:

Milk, fog, atmospheric air, dilute acid, lime water, ink, smoke.

Important Questions on Solutions

HARD
8th Kerala Board
IMPORTANT

Some solutions are given in the table below. Identify the states of the solute and the solvent in each of them and complete the table.  

Solution-Constituents State of the solute State of the solvent State of the solution
Brass(Zinc + Copper) Solid Solid _____
Salt solution(Salt+ water) _____ _____ Liquid
Soda water(Carbon dioxide + water) Gaseous _____ _____
A mixture of alcohol and water Liquid _____ _____

Is there any relation between the state of the solution and that of the solvent?

 

MEDIUM
8th Kerala Board
IMPORTANT
How do we decide the solvent and the solute in a solution? 
MEDIUM
8th Kerala Board
IMPORTANT

Take equal amounts of water in two glass tumblers. Add one or two crystals of potassium permanganate in the first tumbler and four or five crystals in the second and stir. Observe the difference in the colour of the solutions in the two tumblers. What is the reason for the difference in the colour? 

MEDIUM
8th Kerala Board
IMPORTANT

Do different materials dissolve to the same extent in a given solvent? 
 

MEDIUM
8th Kerala Board
IMPORTANT
Is it possible to dissolve more amount of the solutes in the saturated solutions prepared before? 
MEDIUM
8th Kerala Board
IMPORTANT
Is there any change in the amount of solute dissolved when the temperature changes? 
MEDIUM
8th Kerala Board
IMPORTANT

While preparing saturated solutions of various solutes in a definite amount of a given solvent under the same conditions, will the amount of solutes getting dissolved be the same? Try to find out. 
 

HARD
8th Kerala Board
IMPORTANT

Given is a graph that connects the solubility and the temperature of certain salts.

Examine the graph and find out the following: 

Question Image

Which substance shows the maximum increase in solubility as temperature increases?