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For which objects is your prediction wro...

For which objects is your prediction wrong ? Why ?

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For the objects potato, tomato and wood my prediction went wrong. Because of more weight I thought they would sink. But they floated on water.
[Now add a lot salt to the water in the beaker.]
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SRS PUBLICATION-MATERIALS-SEPARATING METHODS-QUESTION BANK
  1. Think of different solids, liquids and gases around you and group them...

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  2. A tomato, brinjal, potato, iron nail, sponge, wood, stone, leaf, piece...

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  3. For which objects is your prediction wrong ? Why ?

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  4. What do you observer in tea preparetion?

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  5. Do you get the same result in changing ingredients in tea? Discuss.

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  6. Take five beakers with water. Take small quantities of sugar, salt, c...

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  7. The mud particles which settle down at the bottom of a gas are called

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  8. Observe the given table and answer the following questions What is t...

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  9. Take water in a beaker. Dissolve some salt in it. Filter this mixture ...

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  10. Why could you not filter the salt from salt water?

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  11. Can we use distillation process for separating mixture of powdered sal...

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  12. What other properties can we use?

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  13. Where do we use the chromatography method ?

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  14. Give some examples for hand picking method of separation.

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  15. Some materials are given below. Separate them into “Objective made of ...

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  16. Write any 5 substance which float on salt water.

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  17. Srikar accidentally mixed mustard seeds with rice and salt. How can he...

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  18. Visit a nearby dairy and report about the processes used to separate c...

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  19. Can you separate salt from sand by hand picking?

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  20. What differences in the properties of rice and stone help us in separa...

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