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(a) what is meant by a solution ? G...

(a) what is meant by a solution ? Give two example of solutions
(b) what is suspension ? Give two example of suspensions .
( c) what is a colloid :? Give two examples of colloids (or colloidal solutions ).

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LAKHMIR SINGH & MANJIT KAUR-IS MATTER AROUND US PURE -Exercise
  1. Classify the following as physical or chemical changes :

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  2. (a) Define solubility of a substance .How does it vary with ...

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  3. (a) what is meant by a solution ? Give two example of solutions...

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  4. (a) Differentiate between a saturated and an unsaturated soluti...

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  5. one of the following is a solids foam , this one is :

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  6. what of the following is not an emulsion ?

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  7. One of the following does not show Tyndall effect this one is :

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  8. which one of the following is most likely to exhibit tyndall ...

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  9. Milk of magnsia is :

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  10. Which of the following represents the solubility of sugar in water at...

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  11. Which one of the following is not a chemical change ?

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  12. one of the following liquids will leave hbehind a residue on hea...

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  13. Which of following can be called a suspension ?

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  14. One of the following represents the solution of solid in a solid, this...

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  15. Rusting of an article made up of iron is called

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  16. A mixture of sulphur and carbon disulphide is

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  17. Tincture of iodine has antiseptic properties. This solution is made by...

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  18. Which of the following are physical changes? (i) Melting of iron met...

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  19. which of the following are chemical change ? (i) decaying of w...

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  20. Many indigestion mixtures are suspenions , what do the instruction...

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