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What is 'Tyndall effect' ? Name two mixt...

What is 'Tyndall effect' ? Name two mixtures which show this effect.

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For Tyndall effect, Two mixtures showing Tyndall effect are :
(i) A colloidal solution of dust particles suspended in air.
(ii) A colloidal solution of starch in water.
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DINESH PUBLICATION-IS MATTER AROUND US PURE-Short Answer Questions
  1. Give an example for each of following : (a) Solid-liquid homogeneou...

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  2. List two differences between a pure substance and a mixture. Give an e...

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  3. Why is crystallisation better than evaporation for the separation of m...

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  4. Give one example each of a mixture which shows the following character...

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  5. Differentiate between an element and a compound. Categorise the follow...

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  6. Explain why , air is considered a mixture and not a compound.

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  7. Compare suspension and colloidal solution on the basis of (a) type of ...

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  8. A solution contains 50 g of sugar in 450 g of water. Calculate the con...

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  9. What is 'Tyndall effect' ? Name two mixtures which show this effect.

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  10. Give two differences between pure substances and mixture. Give one exa...

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  11. What is the difference between (i) Pure substance and mixture (ii) Col...

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  12. Compare the particle sizes in a true solution, colloidal solution and ...

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  13. Does freezing of water to ice represent a physical change ?

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  14. Discuss the role of centrifugation in removing the precipitate formed ...

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  15. How will you justify that the formation of water from hydrogen and oxy...

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  16. 4 g of a solute are dissolved in 36 g of water. What is the mass perce...

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  17. Is the mass percent of a solution same as its strength ? Justify your ...

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  18. What is solubility of a salt ? Discuss the effect of temperature on th...

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  19. Mention the following statements whether true or false : (i) The se...

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  20. 60% solution of alcohol has a volume of 70 mL. What is the volume of p...

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