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प्रश्न
Select the correct answer of the following statement:
A heterogenous mixture of undissolved particles in dispersion medium, visible to the naked eye.
विकल्प
Colloidal
Fused calcium chloride
Solvent
Suspension
Washing soda
उत्तर
Suspension
APPEARS IN
संबंधित प्रश्न
Give two example of Colloid.
What do you observe when Blue litmus solution is added to water ?
How are sol, solution and suspension different from each other?
Explain how the following factor affects the formation of a solution is proportion of the solute & the 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.
Give a reason why on opening a bottle of soda [carbon dioxide dissolved in water] the gas escapes out with a ‘fizz’.
Draw a table to differentiate – True solutions, colloidal solutions & suspensions – with respect to
- Type of mixture
- Solute particles in the mixture.
Give four examples of each of the above types of solutions i.e. true solution, colloidal solution & suspension. Give a reason why a true solution does not exhibit ‘Tyndall effect’.
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.
