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Prepare formulae for compounds by using ...

Prepare formulae for compounds by using Criss- Cross methods.

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  • ATOMS AND MOLECULES

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. Collect the symbols of various elements.

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  2. Give examples to different net charged ions ?

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  3. Prepare formulae for compounds by using Criss- Cross methods.

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  4. Make a chart showing the concept of mole.

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  5. Draw the diagram of arrangement of appartmentus in the activity of he...

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  6. Draw the diagram of “ Electrolysis of water”.

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  7. Draw the diagram of reduction of copper oxide to copper and label it.

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  8. Write any two compounds that are used in your house.

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  9. Molecular mass of H2SO4 is

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  10. The formula unit mass of sodium chloride is-

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  11. How can you prevent the spoiling of food?

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  12. How can you identify the corrosion of metals?

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  13. Where do you observe oxidation process in your daily life ?

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  14. What do you do to prevent rusting of copper and silver articles ?

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  15. What are the effects of oxidation on everyday life?

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  16. Formula of calcium hydroxide is Ca(OH)2 and zinc phosphate is Zn3(PO4)...

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  17. Which instrument is used to calculate the atomic mass exactly?

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  18. Which metal is used in the manufacture of Diwali crackers?

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  19. Balance the following chemical equation. C2H6+O2rarrCO2+H2O

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  20. When the particles of a substance contain only one type of atoms, that...

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