अर्णवार्षणक परीक्षा (यवषि सुंवर्णन) के यिए होने वािी गयतयवयर् कयवता पाठ
हेतु अपने यिि कयव की कोई भी एक कबिता करें ।
Answers
Answer:
2. Chalk and water
3. Mercury and water,
4. Sawdust and water
E. ANSWER THE FOLLOWING QUESTIONS:
1. State the principle underlying () sublimation (1) filtration,
2. What are homogeneous mixtures ?
3. How can you separate mixture of petrol and water ?
4. What is sedimentation ?
5. For which type of solutions is filtration carried ?
6. How will you separate a mixture of ammonium chloride and common salt?
7. Give two differences between a compound and a mixture,
8. How will you separate a mixture of lodine, iron filings and salt from a mixture ?
9. What is loading ? Explain the process of loading with alum.
10. How chromatography is helpful in separating mixtures of liquids ?
11. Almost all the substances of our daily use are mixtures, Comment.
12. Demonstrate the separation of pure water from impure water by using distillation proces
13. Explain in detail separation of kerosene oil from water by using a separating funnel,
OLOI
W THE FOLLOWING SEPARATIONS CAN BE CARRIED ON
Explanation:
2. Chalk and water
3. Mercury and water,
4. Sawdust and water
E. ANSWER THE FOLLOWING QUESTIONS:
1. State the principle underlying () sublimation (1) filtration,
2. What are homogeneous mixtures ?
3. How can you separate mixture of petrol and water ?
4. What is sedimentation ?
5. For which type of solutions is filtration carried ?
6. How will you separate a mixture of ammonium chloride and common salt?
7. Give two differences between a compound and a mixture,
8. How will you separate a mixture of lodine, iron filings and salt from a mixture ?
9. What is loading ? Explain the process of loading with alum.
10. How chromatography is helpful in separating mixtures of liquids ?
11. Almost all the substances of our daily use are mixtures, Comment.
12. Demonstrate the separation of pure water from impure water by using distillation proces
13. Explain in detail separation of kerosene oil from water by using a separating funnel,
OLOI
W THE FOLLOWING SEPARATIONS CAN BE CARRIED ON