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A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained. Residue left(assuming non volatile impurity) is
Options
(a) 7.8 g
(b) 3.8 g
(c) 2.8 g
(d) 8.9 g
Correct Answer:
7.8 g
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Question Type: Memory
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Difficulty Level: Easy
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Sodium thiosulphate is added in photography to
- 0.45 g acid of molecular weight 90 was neutralise by 20 mL of 0.5 N KOH
- What is the equivalent mass of IO₄⁻ when it is converted into I₂ in acid medium
- Cassiterite is concentrated by
- Aqueous solutions of hydrogen sulphide and sulphur dioxide when mixed together
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Basic Concepts of Chemistry (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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