Advertisements
Advertisements
प्रश्न
Tick the most appropriate answer.
The different constituents of ink are separated by
पर्याय
handpicking.
paper chromatography
filtration
magnetic separation
Advertisements
उत्तर १
paper chromatography
उत्तर २
paper chromatography
APPEARS IN
संबंधित प्रश्न
Explain with a diagram the process used to – separate the following substance from the given mixture.
Potassium nitrate from a mixture of – potassium nitrate & potassium chlorate.
Explain with diagram the process used to – separate the following substance from the given mixtures - Carbon tetrachloride from a mixture of – carbon tetrachloride [heavier component] & water.
Explain with diagram the process used to – separate the following substance from the given mixtures - Different dyes – in their liquid constituent ink.
Select the correct answer from the choice given below to complete the sentence :
The reactive element from the two monoatomic elements is _____________.
Visit a nearby paddy field and rice mill and note down the different separating techniques used there. Is technology replacing some traditional practices?
A mixture of powdered salt and sugar can be separated by the process of winnowing.
What is meant by separation?
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.
A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.
