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Identify the physical change among the f...

Identify the physical change among the following

A

Burning a paper

B

Lighting a candle

C

Rusting of iron

D

solidification of ice

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NCERT TELUGU-CHANGS AROUND US-EXERCISE
  1. Chewing of 'pan' (killi)turns our mouth red. This is:

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  2. The chemical name of baking soda is

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  3. Identify the physical change among the following

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  4. Drying of wet coconut is a

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  5. The speed of rusting depends on(i) Amount of oxygen available(ii)Amoun...

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  6. A metal which is resistant to corrosion is

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  7. Sodium bicarbonate is commonly known as

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  8. The process of separating soluble solid from the solution by heating o...

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  9. The gas liberated when wood is burnt is

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  10. During a chemical change(i) New substance is formed(ii) Heat, light, r...

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  11. Which of the following metal doesnot react with oxygen

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  12. Which of the following is a chemical change

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  13. Which of the following substances show chemical change on heating

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  14. change may be reversed by reversing the experiment conditions.

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  15. Statement A : The change which can be reversed to get the original sta...

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  16. Statement A : The change in which if there is a change in shape,size, ...

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  17. When carbondioxide gas is passed through lime water, the following cha...

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  18. The metal that burns with a dazzling light when burnt in oxygen:

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  19. The gas liberated when venegar is added to baking soda is

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  20. When an iron nail is immersed in copper sulphate solution, the colour ...

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