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Substances containing all the four elements: carbon, hydrogen nitrogen and oxygen are 1. Morphine2. Nucleic acids3. Starch4. QuinineSelect the correct answer by using the code below,

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Substances containing all the four elements: carbon, hydrogen nitrogen and oxygen are 1. Morphine<br>2. Nucleic acids<br>3. Starch<br>4. Quinine<br>Select the correct answer by using the code below,






 
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