Chemistry Which of the following elements is found in all organic compounds Calcium Oxygen Nitrogen Carbon Calcium Oxygen Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Sulphur dioxide Carbon monoxide Smoke Carbon dioxide Sulphur dioxide Carbon monoxide Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 238 330 92 146 238 330 92 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethylene ethane carbon dioxide acetylene ethylene ethane carbon dioxide acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Bauxite Haematite Chalcopyrites Calamine Bauxite Haematite Chalcopyrites Calamine ANSWER DOWNLOAD EXAMIANS APP
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