20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide

200 G Of A Magnesium Carbonate Sample Decomposes On Heating Chemistry Question

20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample? (At.Wt.of Mg =24)

Options

(a) 96
(b) 60
(c) 84
(d) 75

Correct Answer:

84

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

  1. The shape of the molecule XeF₄ is
  2. In the silver plating of copper, K[Ag(CN)₂] is used instead of AgNO₃. The reason
  3. Which of the following has lowest pH value
  4. The number of structural isomers possible from the molecular formula C₃H₉N is
  5. Which of the following electronic configuration an atom has the lowest ionisation

Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*