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Write the valencies of Fe in FeCl3 (AS-1...

Write the valencies of Fe in `FeCl_3` (AS-1)

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NCERT KANNAD-ATOMS, MOLECULES AND CHEMICAL REACTIONS -Let us Improve our learning (Reflection on concepts)
  1. Explain the process and precautions in verifying law of conservation o...

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  2. 0.24g sample of a compound of oxygen and boron was found by analysis t...

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  3. In a class, a teacher asked students to write the molecular formula of...

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  4. Lakshmi gives a statement "CO and Co both represent element". Is it co...

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  5. Find out the chemical names and formulae for the following common hous...

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  6. Calculate the mass of the following (AS-1)

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  7. Calculate the number of particles in each of the following (AS-1)

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  8. Convert into mole (AS-1)

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  9. Write the valencies of Fe in FeCl3 (AS-1)

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  10. Calculate the molas mass of Sulphuric acid (H2SO4) and glucose (C6H12...

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  11. Which has more number of atoms 100 gms of Sodium or 100 grams of iron ...

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  12. Write one equation for decomposition reactions where energy is supplie...

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  13. How chemical displacement reactions differ from chemical decomposition...

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  14. Name the reactions taking place in the presence of sunlight? (AS-1)

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  15. Why is respiration considered an exothermic reaction ? Explain.

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  16. What is the difference between displacement and double displacement re...

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  17. Give two examples for oxidation-reduction reaction. (AS-6)

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  18. In the refining of silver, the recovery of silver from silver nitrate ...

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  19. Draw the digarm to show the experimental setup for the law of conserva...

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