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Chemical Bonding & Molecular Structure
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Isolation of Elements
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Hydrogen
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s-Block Elements
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d and f Block Elements
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Coordination Compounds
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Salt Analysis
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Environmental Chemistry
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Basics of Organic Chemistry
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Hydrocarbons
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Haloalkanes and Haloarenes
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Alcohols, Phenols and Ethers
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Aldehydes, Ketones and Carboxylic Acids
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Compounds Containing Nitrogen
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Polymers
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Biomolecules
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Chemistry in Everyday Life
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Practical Organic Chemistry
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JEE Main 2020 (Online) 9th January Evening Slot
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Consider the following reactions

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 177 English
The mass percentage of carbon in A is ______.
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