Chemistry Ruby and sapphire are oxides of Copper Iron Tin Aluminium Copper Iron Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Acetic acid Oxygen Methyl alcohol Methane Acetic acid Oxygen Methyl alcohol Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Carbon monoxide Carbon dioxide Nitrogen Nitrogen dioxide Carbon monoxide Carbon dioxide Nitrogen Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a derivative of barbituric acid Nembutal Equanil Amytal Veronal Nembutal Equanil Amytal Veronal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest aromatic hydrocarbon Aspirin Picric acid Chloride Benzene Aspirin Picric acid Chloride Benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Ethers Esters Aldehydes Alcohols Ethers Esters Aldehydes Alcohols ANSWER DOWNLOAD EXAMIANS APP
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