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What is law of conservation of mass?...

What is law of conservation of mass?

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Law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction.
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SWAN PUBLICATION-ATOMS AND MOLECULES-IMPORTANT Q/A
  1. What is law of conservation of mass?

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  2. State and explain law of definite proportions

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  3. Differentiate between an atom and a molecule.

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  4. Write the important postulates of the Dalton's Atomic Theory

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  5. What is an ion ?

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  6. Calculate the molar mass of the following and write in appropriate uni...

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  7. Neon gas consists of single atoms, what mass of neon contain 6.022xx10...

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  8. How many molecules are present in 9g of water ?

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  9. How many molecules are present in 17g of ammonia

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  10. Calculate the number of moles in 17 g of H(2)O(2).

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  11. Give symbols of the following elements: Potassium, aluminium, cadmiu...

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  12. Calculate the molecular mass of the following CO(2)

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  13. Calculate the molecular mass of the following (using atomic mass). N...

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  14. Calculate the molecular mass of the following (using atomic mass). C...

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  15. Calculate the molecular mass of the following (using atomic mass). H...

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  16. Calculate the molecular mass of the following (using atomic mass). S...

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  17. Calculate the molecular mass of the following (using atomic mass). H...

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  18. Calculate the formula mass of the compounds whose formulae are given b...

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  19. Calculate the formula mass of the compounds whose formulae are given b...

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  20. Calculate the formula mass of the compounds whose formulae are given b...

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