Advertisements
Advertisements
प्रश्न
Name the process associated with the following
A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring.
Advertisements
उत्तर
Diffusion or dissolution of solid into a liquid
APPEARS IN
संबंधित प्रश्न
Identify the solutions among the following mixtures.
- Soil
- Sea water
- Air
- Coal
- Soda water
Explain the following giving an example.
Saturated solution
Define the term solution.
Give an example of gas in gas.
Smoke and fog both are aerosols. In what way are they different?
A group of students took an old shoebox and covered it with black paper from all sides. They fixed a source of light (a torch) at one end of the box by making a hole in it and making another hole on the other side to view the light. They placed a milk sample contained in a beaker/tumbler in the box as shown in Fig.2.4. They were amazed to see that milk taken in the tumbler was illuminated. They tried the same activity by taking a salt solution but found that light simply passed through it?
(a) Explain why the milk sample was illuminated. Name the phenomenon involved.
(b) The same results were not observed with a salt solution. Explain.
(c) Can you suggest two more solutions that would show the same effect as shown by the milk solution?

Arun has prepared a 0.01% (by mass) solution of sodium chloride in water. Which of the following correctly represents the composition of the solutions?
When the solid (Solute) dissolves in a liquid (Solvent), it becomes a solution.
______ is the major difference between true solutions, suspensions, and colloids.
What do you understand by the term solute with reference to a solution?
