Chemistry Which of the following is the petroleum wax ? Paraffin wax Jojoba wax Carnauba wax Bees wax Paraffin wax Jojoba wax Carnauba wax Bees wax ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Ozone Carbon dioxide Oxygen Carbon monoxide Ozone Carbon dioxide Oxygen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon Mercury oxide and neon Mercury vapour and argon Sodium vapour and neon Sodium oxide and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is aspirin caffeine nicotine chlorophyll aspirin caffeine nicotine chlorophyll ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 92 238 330 146 92 238 330 146 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Digestion of food Burning of paper Conversion of water into steam Burning of coal Digestion of food Burning of paper Conversion of water into steam Burning of coal ANSWER DOWNLOAD EXAMIANS APP
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