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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.
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Topics: S and Some P Block Elements
(157)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The weight of iron which will be converted into its oxide(Fe₃O₄) by the action of 18g
- Which one of the alkali metals, forms only, the normal oxide, M₂O on heating
- When formaldehyde is polymerised in the presence of dilute H₂SO₄, the compound
- In acidic medium, the equivalent weight of KMnO₄ is
- What is the number of mols of hydrogen atoms in 3.2g of methane
Topics: S and Some P Block Elements (157)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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