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Which of the following will show Tyndall...

Which of the following will show Tyndall effect ?
(a) Sodium chloride solution (b) Starch solution (c ) Brass.

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DINESH PUBLICATION-IS MATTER AROUND US PURE-Very Short Answer Questions
  1. Describe a method for separating a mixture of iron filings and sulphur...

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

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

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

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

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  6. Define solubility of a solution.

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

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  8. Write two characteristics of colloidal solution.

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

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

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

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  12. Define mass percent.

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  13. 5 g of sodium chloride are dissolved 100 g of water to form a solution...

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

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  15. Name two solvents other than water.

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  16. What type of colloidal solution is milk ?

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  17. Can we regard milk as a pure substance ?

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

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  19. How can a saturated solution by made unsaturated ?

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  20. Does air represent a colloidal solution ?

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