Chemistry The percentage of oxygen in air is approximately 0.21 0.78 0.01 1 0.21 0.78 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Aluminium Iron Zinc Copper Aluminium Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Nitrous oxide, Chloroform Ether, Ammonia Nitrogen dioxide, ether Chloroform, Nitrogen dioxide Nitrous oxide, Chloroform Ether, Ammonia Nitrogen dioxide, ether Chloroform, Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacid tablets consist of Hydroxides of magnesium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium, magnesium and aluminium Hydroxides of sodium and aluminium Hydroxides of magnesium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium, magnesium and aluminium Hydroxides of sodium and aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Angstrom Micron Fermi Nanometre Angstrom Micron Fermi Nanometre ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Does not change Decreases May either increase or decrease depending on the process used Increases Does not change Decreases May either increase or decrease depending on the process used Increases ANSWER DOWNLOAD EXAMIANS APP