Chemistry Which of the following gases will effuse out of football bladder most quickly ? He H2 N 2 O2 He H2 N 2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Ozone Carbon monoxide Carbon dioxide Oxygen Ozone Carbon monoxide Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Neon Carbon dioxide Nitrogen Carbon monoxide Neon Carbon dioxide Nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is 'milk of magnesia' chemically? Magnesium hydroxide Sodium bicarbonate Magnesium carbonate Calcium hydroxide Magnesium hydroxide Sodium bicarbonate Magnesium carbonate Calcium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is carbon dioxide hydrogen nitrogen oxygen carbon dioxide hydrogen nitrogen oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 17 36 53 19 17 36 53 19 ANSWER DOWNLOAD EXAMIANS APP