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which of the following as physical ...

which of the following as physical changes and which are chemical changes changes ?
(a) Burning of a maggesium wire
(b) Freezing of water
( c) Rusting of iron
(D) Glowing of an electric bulb

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LAKHMIR SINGH & MANJIT KAUR-IS MATTER AROUND US PURE -Exercise
  1. 9.72 g of potassium chloride dissolves in 30g of water at 70^(@)C...

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  2. Classify the following as physical changes and which are chemi...

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  3. which of the following as physical changes and which are chemi...

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  4. Classify the following as physical or chemical changes :

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  5. Separate the following into physical and chemical changes : ...

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  6. The sea water can be classified as a homogeneous as well as a h...

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  7. which of the following do not exhibit tyndall effect ? Starch ...

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  8. Physical And Chemical Changes

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  9. Classify the following as physical or chemical changes :

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

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

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

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

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  14. what of the following is not an emulsion ?

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

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

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  17. Milk of magnsia is :

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

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

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

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