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प्रश्न
Define the term: Solution
उत्तर
A solution is a homogeneous mixture of two or more substances.
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संबंधित प्रश्न
Identify the solutions among the following mixtures.
- Soil
- Sea water
- Air
- Coal
- Soda water
Explain the following giving an example.
Saturated solution
Explain the following giving an example.
Suspension
The component present in a lesser amount, in a solution, is called ______
Give an example of a solid in a liquid.
Give an example of solid in solid.
Give an example of gas in gas.
Smoke and fog both are aerosols. In what way are they different?
The teacher instructed three students ‘A’, ‘B’ and ‘C’ respectively to prepare a 50% (mass by volume) solution of sodium hydroxide (NaOH). ‘A’ dissolved 50g of NaOH in 100 mL of water, ‘B’ dissolved 50g of NaOH in 100g of water while ‘C’ dissolved 50g of NaOH in water to make 100 mL of solution. Which one of them has made the desired solution and why?
A solution is always a liquid. Comment.
Can a solution be heterogeneous?
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?
______ is the major difference between true solutions, suspensions, and colloids.
What is a solute?
What is the solvent?
