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Why the white washig gives shiny finish to the walls?

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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. What type of reaction is rancidity?

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  2. Write the chemical reaction for bleaching of coloured objects using mo...

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  3. Why the white washig gives shiny finish to the walls?

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  4. Why the smell and taste of food items change?

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  5. What are new substances formed due to decomposition of lead nitrate?

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  6. What are antioxidants?

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  7. Which type of reaction involved when silver bromide is exposed to sunl...

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  8. NH(4)Cl rarr NH(3)+HCl . Which type of reaction is the ?

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  9. Which chemical reaction is involved in the corrosion of iron?

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  10. 0.24 g sample of compound of oxygen and boron was found by analysis to...

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  11. Why does respiration considered as an exothermic reaction ? Explain.

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

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  13. Compare displacement reaction and Double displacement reaction.

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

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  15. Who is called as the father of modern chemistry? What are his main con...

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  16. Law of conservation of mass was proposed by

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  17. State the following law of constant proportions.

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  18. What are the Dalton's proposals about the nature of matter ?

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  19. What is the proposal of Indian sage kanada, about atom?

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  20. How elements got their names? Explain all examples.

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