Chemistry Submarines move under water. They have engines that run on Steam Petrol and oxygen Diesel Batteries Steam Petrol and oxygen Diesel Batteries ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is nicotine chlorophyll aspirin caffeine nicotine chlorophyll aspirin caffeine ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Acetylene Methyl alcohol Methane Ethyl formate Acetylene Methyl alcohol Methane Ethyl formate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Oxygen Hydrogen Carbon Nitrogen Oxygen Hydrogen Carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar is ________ . Glacial formic acid Glacial acetic acid Diluted formic acid Diluted acetic acid Glacial formic acid Glacial acetic acid Diluted formic acid Diluted acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Zinc Iron Aluminium Copper Zinc Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
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