Chemistry The major constituent of air is nitrogen oxygen carbon dioxide hydrogen nitrogen oxygen carbon dioxide hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can never be positive Will always be positive Can have any value above zero Cannot be negative Can never be positive Will always be positive Can have any value above zero Cannot be negative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which amidst the following is not a gem stone ? Topaz Opal Pearl Cat's-eye Topaz Opal Pearl Cat's-eye ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium phosphate Disodium hydrogen phosphate Phosphoric acid Sodium dihydrogen phosphate Sodium phosphate Disodium hydrogen phosphate Phosphoric acid Sodium dihydrogen phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Neon Carbon monoxide Carbon dioxide Nitrogen Neon Carbon monoxide Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Carbon dioxide ferilization effect Oxygen fertilization effect Depletion of ozone layer in the stratosphere Global warming Carbon dioxide ferilization effect Oxygen fertilization effect Depletion of ozone layer in the stratosphere Global warming ANSWER DOWNLOAD EXAMIANS APP