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Write the valencies of Fe in FeCl2 and F...

Write the valencies of Fe in `FeCl_2` and `FeCl_3`.

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  • ATOMS AND MOLECULES

    VGS PUBLICATION-BRILLIANT|Exercise OBJECTIVE TYPE QUESTION|1 Videos

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. Convert in to moles: 20 g of water

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  2. Convert in to moles: 22 g of carbon dioxide

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  3. Write the valencies of Fe in FeCl2 and FeCl3.

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  4. Calculate the molar mass of suphuric acid (H2SO4) and glucose (C8H12O6...

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  5. Which has more number of atoms 100 g of sodium or 100 g of iron? Justi...

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  6. Write an equation for decomposition reaction where energy is supplied ...

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  7. Give an example for decomposition reaction.

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  8. Give an example for decomposition reaction.

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  9. Give examples to Electrolysis

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  10. How does chemical displacement reaction differ from chemical decomposi...

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  11. Differentiate between chemical displacement reactions and chemical dec...

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  12. Name the reactions taking place in the presence of sunlight.

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  13. Give two examples for oxidation - reduction reaction.

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  14. Draw a diagram to show the experimental setup for the law of conservat...

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  15. Why do we apply paint of iron articles ?

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  16. How can we prevent rusting of Iron?

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  17. What is the use of keeping food in air tight containers?

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  18. 15.9 of copper sulphate and 10.6 g of sodium carbonate react together ...

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  19. Carbon dioxide is added to 112 g of calcium oxide. The product formed ...

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  20. Imagine what would happens if we do not standard symbols for elements....

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