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  • Can someone explain Which of the following sources of CaCO3will contain the highest proportion of Calcium by weight after purification?

Which of the following sources of CaCO3 will contain the highest proportion of Calcium by weight after purification?

  • Option 1)

    Limestone

  • Option 2)

    Travertine

  • Option 3)

    Marble

  • Option 4)

    All same

 

Answers (1)

As we learnt

 

Law of Definite Proportions -

A compound always contains exactly the same propotion of elements by weight

- wherein

CaCO3 contains 40% Ca, 12% C and 48% O by weight irrespective of the source.

 

 

According to the law of definite propotions, the proportions by weight of elements in a compound will be same no matter the source.

\therefore Solution is D


Option 1)

Limestone

This is incorrect.

Option 2)

Travertine

This is incorrect.

Option 3)

Marble

This is incorrect.

Option 4)

All same

This is correct.

Posted by

subam

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