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(a) State the various postulates of Dal...

(a) State the various postulates of Dalton's atomic theory of matter.
(b) Which postulate of Dalton's atomic theory can explain the law of conservation of mass ?
(c) Which postulate of Dalton's atomic theory can explain the law of constant proportions ?

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LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
  1. State the law of conservation of mass. Give one example to illustrate...

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  2. State the law of constant proportions. Give one example to illustrate ...

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  3. (a) State the various postulates of Dalton's atomic theory of matter...

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  4. (a) What is the significance of the symbol of an element ? Explain w...

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  5. (a) What is an atom ? How do atoms usually exist ? (b) What i...

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  6. (a) Define atomic mass unit. What is its symbol ? (b) Define atomic...

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  7. The atomicites of ozone, sulphur, phosphorus and argon are respectivel...

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  8. The symbol of a metal element which is used in making thermometers is ...

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  9. The Latin language name of an element is natrium. The English name of...

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  10. The atomic theory of matter was proposed by :

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  11. One of the following elements has an atomicity of 'one' . This ele...

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  12. The English name of an element is potassium, its Latin name will be...

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  13. The law of conservation of mass was given by :

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  14. The element having atomicity 'four' is most likely to be :

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  15. If 1.4 g of calcium oxide is formed by the complete decomposition of c...

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  16. The law of constant proportions was given by

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  17. Out of ozone, phosphorus, sulphur and krypton, the elements having the...

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  18. One nm is equal to :

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  19. The scientist who proposed the first letter (or first letter and anoth...

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  20. The atoms of which of the following pair of elements are most likely ...

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