Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Boric acid Phosphoric acid Phosphorus acid Salicylic acid Boric acid Phosphoric acid Phosphorus acid Salicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Copper Iron Aluminium Zinc Copper Iron Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Viscosity Cohesion Osmosis Surface tension Viscosity Cohesion Osmosis Surface tension ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the simplest form of alkane Methane Propane Butane Decane Methane Propane Butane Decane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by They can not be separated Both A and B Physical methods Chemical methods They can not be separated Both A and B Physical methods Chemical methods ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS