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Which postulate of Dalton’s atomic theor...

Which postulate of Dalton’s atomic theory can explain the law of definite proportions?

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The postulate that "A chemical compound always consists of the same elements combined together in the same proportion by mass" is the law of definite proportions.
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(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 ?

According to Dalton's atomic theory, all matter whether an element, a compound or a mixture is composed of small particles called atoms which can neither be created nor destroyed during a chemical reaction. Dalton's theory provides a simple explanation for the laws of chemical combination. He used his theory to explain law of conservation of masses, law of constant proportions and law of multiple proportions, based on various postulates of the theory. Dalton was the first scientist to use the symbols for the elements in a very specific sense. When he used a symbol for an element he also meant a definite quantity of that element, that is one atom of that element. Which postulate of Dalton's atomic theory explains law of definite proportions?

Which postulate of Dalton’s atomic theory is the result of the law of conservation of mass?

MTG IIT JEE FOUNDATION-ATOMS AND MOLECULES -NCERT SECTION
  1. Hydrogen and oxygen combine in the ratio of 1 : 8 by mass to form wate...

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  2. Which postulate of Dalton's atomic theory is the result of the law of ...

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  3. Which postulate of Dalton’s atomic theory can explain the law of defin...

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  4. Define the atomic mass unit.

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  5. Why is it not possible to see an atom with naked eyes?

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  6. Write down the formulae of (i) sodium oxide (ii) aluminium chlor...

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  7. Write down the names of compounds represented by the following formula...

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  8. What is meant by the term chemical formula?

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  9. How many atoms are present in a (i) H(2)S molecule and (ii) PO(4)...

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  10. Calculate the molecular masses of H(2), O(2), Cl(2), CO(2), CH(4), C(2...

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  11. Calculate the formula unit masses of ZnO, Na(2)O, K(2)CO(3). Given ato...

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  12. If one mole of carbon atoms weighs 12 grams, what is the mass (in gram...

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  13. Which has more number of atoms, 100 grams of sodium or 100 grams of ir...

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  14. A 0.24 g sample of compound of oxygen and boron was found by analysis ...

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  15. When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00 g of carbon diox...

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  16. What are polyatomic ions? Give examples.

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  17. Write the chemical formulae of the following. (a) Magnesium chlorid...

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  18. Give the names of the elements present in the following compounds. ...

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  19. Calculate the molar mass of the following substances. (a) Ethyne, ...

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  20. What is the mass of— (a) 1 mole of nitrogen atoms? (b) 4 moles ...

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