Chemistry The main active constituent of tea and coffee is aspirin chlorophyll caffeine nicotine aspirin chlorophyll caffeine nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Carbon dioxide Ozone Methane Nitrogen Carbon dioxide Ozone Methane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium vapour and neon Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon Sodium vapour and neon Mercury oxide and neon Sodium oxide and argon Mercury vapour and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Phthalic acid Salicylic acid Terephthalic acid Benzoic Acid Phthalic acid Salicylic acid Terephthalic acid Benzoic Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a Bakelite ? Acid Solution Base Polymer Acid Solution Base Polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Disodium hydrogen phosphate Sodium phosphate Phosphoric acid Sodium dihydrogen phosphate Disodium hydrogen phosphate Sodium phosphate Phosphoric acid Sodium dihydrogen phosphate ANSWER DOWNLOAD EXAMIANS APP
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