JEE MAIN - Chemistry Hindi (2020 - 9th January Evening Slot - No. 5)

निम्नलिखित प्रतिक्रियाओं पर विचार करें

JEE Main 2020 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 165 Hindi
A में कार्बन का द्रव्यमान प्रतिशत ______ है।
Answer
66.66TO66.67

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