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Describe a method for separating a mixtu...

Describe a method for separating a mixture of iron filings and sulphur powder other than that by using a magnet.

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DINESH PUBLICATION-IS MATTER AROUND US PURE-Very Short Answer Questions
  1. Is colloidal solution homogeneous in nature ?

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  2. Give one example of suspension and colloidal solution.

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  3. Describe a method for separating a mixture of iron filings and sulphur...

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  4. The zig-zag motion of colloidal particles is called " ".

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  5. Which of the following will show Tyndall effect ? (a) Sodium chlor...

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  6. What happens when aeledtric field is applied to colloidal solution ?

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  7. Explain what happens when a beam of light is passed through a co...

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  8. Define solubility of a solution.

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  9. what will happen if a saturated solution is : (i) heated , and ...

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  10. Write two characteristics of colloidal solution.

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  11. How will you test the purity of a sample of sea water ?

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  12. How will you separate small pieces of metals from engine oil ?

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  13. Identify the solution among the following : (a) Air (b) Sea water...

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  14. Define mass percent.

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  15. 5 g of sodium chloride are dissolved 100 g of water to form a solution...

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  16. An element is both malleble and ductile.It also produces sonorous soun...

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  17. Name two solvents other than water.

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  18. What type of colloidal solution is milk ?

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  19. Can we regard milk as a pure substance ?

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  20. What is the nature of sugar solution prepared in water ?

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