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What change takes place in a balloon on ...

What change takes place in a balloon on filling air in it ?

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TARGET PUBLICATION-PROPERTIES OF NATURAL RESOURCES -SOLVED
  1. What are the uses of the various gases in air?

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  2. Is there any atmospheric pressure on the moon?

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  3. What change takes place in a balloon on filling air in it ?

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  4. Use your brain power! What would happen if all the air surrounding us ...

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  5. Use your brain power! Will sound the heard in space?

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  6. Take a bucket of water . Drop given articles in it . Make separate lis...

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  7. Take some water in a pot and add few pieces of ice to it . Observe wha...

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  8. Keep a glass full of water in the freezer for five to ten minutes . Th...

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  9. Use your brain power! In cold countries how do aquatic animals remain ...

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  10. Take two big glasses of water . Add 4-5 spoonfuls of salt to the water...

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  11. Why is it easier to swim in the sea than in a wall or a lake ?

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  12. Use your brain power! Why is it easy to plough sandy soil?

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  13. Use your brain power! What is the water holding capacity of silt soil?

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  14. Oral work : In which state does water occur below 4⁰C ?

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  15. Oral work : Why is water known as the universal solvent ?

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  16. Oral work : What is the pH of alkaline soil ?

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  17. Oral work : Name the leguminous crops cultivated to restore the fert...

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  18. Oral work : Mention the tests used to find out the characteristics o...

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  19. Fill in the blanks : The proportion of large particles is high in ……...

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  20. Fill in the blanks : …………. Is measured in g/cc .

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