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"Two different elements may combine toge...

"Two different elements may combine together in a definite proportion by mass to form two different isomeric compounds. Again two different elements may combine together in different proportions by mass to produce two different compounds". Comment on this.

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Two different elements may combine in a definite proportion by mass to form two isomeric compounds having different properties. Thus, C and H may combine in the ratio of 12:1 by mass to form a pair of isomeric compounds, acetylene `(C_(2)H_(2))` and benzene `(C_(6)H_(6))`.
Again, C and H may combine in the mass-ratio of 3:1 to form methane `(CH_(4))` and in the mass-ratio of 4:1 to form ethane `(C_(2)H_(6))`. so the given statement is quite justified.
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CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-QUESTION ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
  1. Differentiate between accuracy and precision.

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  2. "Two different elements may combine together in a definite proportion ...

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  3. Why does Dalton's atomic theory fall to explain gay-lussac's law of ga...

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  4. Two substances A and B are of equal masses and their molecular masses ...

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  5. Show that, ratio of the masses of equal volumes of two gases at the sa...

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  6. Which are heavier and ligher than air: O(2),CO(2),CH(4),NH(3),Cl(2) ? ...

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  7. Mass of a sulphur atom is twice of that of an oxygen atom. Hence, the ...

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  8. Out of Cl(2) and O(2), which one will have greater mass when taken in ...

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  9. At the same temperature and pressure, 1 volume of gas A reacts with 1 ...

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  10. Calculate the number of hydrogen atoms present in 90 amu of ethane.

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  11. Are the species, N(3)^(-) and N^(3-) different ? Justify.

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  12. "What is the equivalent mass of an element? " Is the question correct?...

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  13. Show that the equivalent mass of a certain element varies inversely wi...

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  14. Mass of one ""^(12)C atom is 1.99236xx10^(-23)g. Express the value of ...

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  15. An element forms two compounds X and Y in which the element exhibits t...

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  16. An element produces X, Y & Z compounds. Equivalent masses of that elem...

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