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Wet clothes dry after sometime – where d...

Wet clothes dry after sometime – where does the water go? What happens to magnesium on burning it in air?

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  • ATOMS AND MOLECULES

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Wet clothes dry after some time - where does the water go?

What happens to sulphur on burning it in air?

What happens when (i) Magnesium is burnt in air?

What happens when magnesium metal is burnt in air?

Where does this water go after evaporation?

Where does this water go after drying up?

Spread a piece of wet cloth in the sunlight observe after sometime where has the water in the wet cloth gone the water evaporates into the atmosphere due to the heat of the sun when we want to dry clothes quickly we wave them about or keep them under a fan how are clouds formed?

Spread a piece of wet cloth in the sunlight observe after sometime where has the water in the wet cloth gone the water evaporates into the atmosphere due to the heat of the sun when we want to dry clothes quickly we wave them about or keep them under a fan does the water in wet clothes dry up only due to sunlight or due to other reasons

Where does the water present in the egg go after boiling the egg?

VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. Which postulate of Dalton’s theory can explain the law of constant pro...

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  2. Where does the matter charcoal go?

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  3. Wet clothes dry after sometime – where does the water go? What happens...

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  4. What happens to sulphur on burning it in air?

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  5. Do you think that a chemical reaction has taken place in the flask? Gi...

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  6. What difference do you observe in percentage of copper, carbon and oxy...

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  7. How do we write the symbols for calcium, chlorine, chromium ?

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  8. Would you be able to recognise the elements of the table -2, have symb...

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  9. Why do some elements be monoatomic?

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  10. Why do some elements form diatomic or triatomic molecules? Why do elem...

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  11. What is valency?

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  12. Can you write the formula of carbon dioxide and carbon monoxide? Try ...

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  13. How many molecules are there in 18 grams of water? How many atoms are ...

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  14. Did you notice the colour coating on silver and copper articles?

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  15. How did the element hydrogen get its name?

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  16. What is an atom?

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  17. What is an Avagadro number? What is its value?

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  18. Father of modern chemistry is……..

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  19. What is the law of conservation of mass according to chemical equation...

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  20. Who proposed Law of conservation?

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