MEDIUM
Earn 100

Explain the following with examples:

Colloid

Important Questions on Is Matter around Us Pure?

MEDIUM
Which one of the following will show Tyndall Effect.
EASY
Which one of the following is solution?
MEDIUM
A solution is prepared by dissolving 60 g of sugar in 480 g of water. Concentration in terms of mass by a mass percentage of the solution is:
MEDIUM
Milk is the example of the following type of colloid
MEDIUM
Which of the following statement is true about the solubility of a substance?
MEDIUM
Gas used for precipitation of pure common salt (NaCl) from saturated solution of common salt is 
MEDIUM
If 110 g of salt is present 550 g of the solution then the concentration of the solution will be:
MEDIUM
What is the mass of oxygen required to react completely with 15 g of H2 gas to form water:
MEDIUM
Take 30g of common salt and dissolve it 70g of water, Find the concentration of the solution in terms of weight percent.
MEDIUM
Dispersed medium + Dispersion medium =
HARD
A mixture of sulphur and carbon disulphide is:
MEDIUM
Which of the following is/are examples of suspension?
HARD
The teacher instructed three students A, B and C to prepare 50% (mass/volume) solution of sodium hydroxide (NaOH). 'A' dissolved 50 g of NaOH in 100 ml of water, 'B' dissolved 50 g of NaOH in 100 g water and ‘C’ dissolved 50 g NaOH in water to make 100 ml of solution. Which one of them has made the desired solution?
MEDIUM
The particle size of solute in a true solution is of the order of -
MEDIUM

Which of the following statement is not true about true solution?

MEDIUM
Which of the following statements is not true?
HARD
The percentage of water of crystallisation in washing soda is 60.9 %.