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प्रश्न
State any one method – to separate the following mixtures – A liquid-gas mixture containing – a gas dissolved in a liquid component.
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उत्तर
The method used is boiling the mixture: Solubility of the gas decreases with an increase in temperature, so gas escapes when the mixture is boiled and collected separately.
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संबंधित प्रश्न
Differentiate between:
pure and impure substances
Choose the most appropriate answer
Which of the following property is not shown by compounds?
Write true or false
The constituents of a mixture can only be separated by chemical means
State any one method – to separate the following mixtures – A liquid-liquid mixture containing – two immiscible'' liquids having different densities
Very Short Answer Type Question:
You are given a mixture of salt and sand. Can you separate them by picking?
Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water, and coins. Draw a flow chart to show the separation process.
Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?
A mixture of milk and water can be separated by filtration.
Match the mixtures in column I with their method of separation in column II.
| COLUMN I | COLUMN II | ||
| (a) | Oil mixed in water | (i) | Sieving |
| (b) | Iron powder mixed with flour | (ii) | Hand picking |
| (c) | Salt mixed with water | (iii) | Decantation |
| (d) | Lady’s finger mixed with french beans | (iv) | Magnet |
| (e) | Rice flour mixed with kidney beans | (v) | Evaporation |
You are provided with a mixture of salt, sand, oil and water. Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram.
