Advertisements
Advertisements
Question
Colloids have the particle size range between
Options
10-7 to 10-10 m
10-10 to 10-12 m
10-7 to 10-5 m
10-12 to 10-15 m
Advertisements
Solution
10-7 to 10-10 m
APPEARS IN
RELATED QUESTIONS
Differentiate between Suspension and colloid.
Give two example of Colloid.
Explain the term of solvent.
Define the term ‘solubility ’ of a solute in water. If 10 g. of a solute is added to 100 g. of water at 50°C and stirred, it is seen that the total solute dissolves at that temperature giving an unsaturated solution. Is 10 g, the solubility of the solute in water. Give reasons.
How are solutions generally classified. What is the basis of this classification.
Draw a table to differentiate – True solutions, colloidal solutions & suspensions – with respect to
- Type of mixture
- Solute particles in the mixture.
Select the correct answer of the following statement:
A heterogenous mixture of undissolved particles in dispersion medium, visible to the naked eye.
Give reason for the following:
All solutions are homogenous mixtures of a solute in a solvent.
Two substances, A and B were made to react to form a third substance, A2B according to the following reaction
\[\ce{2A + B -> A2 B}\]
Which of the following statements concerning this reaction are incorrect?
(i) The product A2B shows the properties of substances A and B
(ii) The product will always have a fixed composition
(iii) The product so formed cannot be classified as a compound
(iv) The product so formed is an element
Take an earthen pot (mutka), some pebbles and sand. Design a small-scale filtration plant that you could use to clean muddy water.
