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which of the following are chemical ...

which of the following are chemical change ?
(i) decaying of wood (ii) burning of wood
(iii) sawing of wood (iv) hammering of nail into wood

A

(i) and (ii)

B

(ii) and (iii)

C

(iii) and (iv)

D

(i) and (iv)

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LAKHMIR SINGH & MANJIT KAUR-IS MATTER AROUND US PURE -Exercise
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  3. which of the following are chemical change ? (i) decaying of w...

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

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  5. the solubility of ammonium chloride in water at various tempera...

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  6. Name the solvent you would use to separte a mixture of sulphure and ca...

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  7. Name the process you would use to to separate ammonium chloride from a...

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  8. Which method can be used to separate a mixture of naphthalene and comm...

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  9. Name the process you would use to separte a mixture of anthracene and ...

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  10. Name tbhe property of any one of the components which can be used for ...

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  11. What type of magnet is fitted on a crane to separate scrap iron object...

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  12. Name the property of one of the conssituents which can be used to sepa...

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  13. Name the process you would use to separate a mixture of two miscible l...

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  14. What difference in the property of two miscible liquids enables their ...

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  15. Name one pair of substances whose mixture can be separted by fractiona...

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  16. Name one pair of liquids which can be separted by using a separating f...

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  17. State whether the following statements are true of false : (a) Alcoh...

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  18. Name the source from which nitrogen and oxygen are obtained on a large...

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  19. Name the process by which the various gases of the air are separted.

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  20. A carpenter wants to separted iron nails from saw-dust. Which method o...

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