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प्रश्न
Give an example of solid in solid.
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उत्तर
Solid in solid – Alloys
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संबंधित प्रश्न
Write the steps you would use for making tea. Use the words: solution, solvent, solute, dissolve, soluble, insoluble, filtrate and residue.
Identify the solutions among the following mixtures.
- Soil
- Sea water
- Air
- Coal
- Soda water
The component present in a lesser amount, in a solution, is called ______
Define the term solution.
Give an example of gas in gas.
Name the process associated with the following
A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring.
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?
______ is the major difference between true solutions, suspensions, and colloids.
What is the solvent?
