MCQ
Which of the following pairs of substances illustrate the law of multiple proportions
  • $CO$ and $CO_2$
  • B
    ${H_2}O$ and $ {D_2}O$
  • C
    $NaCl$ and $NaBr$
  • D
    $MgO$ and $Mg{(OH)_2}$

Answer

Correct option: A.
$CO$ and $CO_2$
a
Law of multiple proportions, statement that when two elements combine with each other to form more than one compound, the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.

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