| Is Matter Around Us Pure? Guess Questions For Term-I Part-I |
| 1. What are mixtures? Give examples. |
| 2. What are pure substances? |
| 3. Why do we call sugar a pure substance? |
| 4. What are saturated and unsaturated solutions? |
| 5. Define a solution. |
| 6. What is a suspension? Give its example and properties. |
| 7. Define concentration of a solution. |
| 8. What is Tyndall effect? |
| 9. What is the difference between True solution and colloids? |
| 10. What are alloys? Why are alloys called as mixture? |
| 11. Write the characteristics of brass. |
| 12. Define solute and solvent. |
| 13. What is solubility? |
| 14. Give properties of a true solution. |
| 15. Why do we need to separate mixtures? |
| 16. How can we separate cream from milk? |
| 17. Write the applications of centrifugation. |
| 18. How can we separate a mixture of salt and ammonium chloride? Draw a diagram. |
| 19. What is chromatography? Explain the process. |
| 20. How can you separate copper sulphate from an impure sample? |
| Past related to Ch: Is Matter Around Us Pure? |
| Is matter around us pure (definitions) |
Thursday, May 31, 2012
IX Chemistry:Is matter around us pure? Guess Questions
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