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प्रश्न
Visit a nearby paddy field and rice mill and note down the different separating techniques used there. Is technology replacing some traditional practices?
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उत्तर
Do it yourself.
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संबंधित प्रश्न
Choose the most appropriate answer
Which of the gas is highly soluble in water ?
Name two methods by which solid-solid mixtures can be separated.
State any one method – to separate the following mixtures – A liquid-liquid mixture containing – two immiscible'' liquids having different densities
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.
Name the apparatus that you will use to separate the components of mixtures containing two,
- miscible liquids,
- immiscible liquids
Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?
Match the following
| Column A | Column B | ||
| 1. | Separation of salt from saltwater | a. | Magnetic separation |
| 2. | Separation of tea leaves from tea extract | b. | Evaporation |
| 3. | Separation of sand and iron filings | c. | Churning |
| 4. | Separation of butter from curds | d. | Filtration |
Boojho’s grandmother is suffering from diabetes. Her doctor advised her to take ‘Lassi’ with less fat content. Which of the following methods would be most appropriate for Boojho to prepare it?
Paheli asked for a glass of water from Boojho. He gave her a glass of ice cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho how these droplets of water were formed. Which of the following should be Boojho’s answer?
Name the two phases in the separation of the mixtures in chromatography.
