Chemistry Which one of the following forms of phosphorus is most reactive? Black phosphorus Violet phosphorus White phosphorus Red phosphorus Black phosphorus Violet phosphorus White phosphorus Red phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Phosphoric acid Salicylic acid Phosphorus acid Boric acid Phosphoric acid Salicylic acid Phosphorus acid Boric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 7 3 6 4 7 3 6 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Soft and flexible Chemical resistant Withstand higher temperatures Strong and hard Soft and flexible Chemical resistant Withstand higher temperatures Strong and hard ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Lead Aluminium Copper Nickel Lead Aluminium Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Hydrated chlorides Double nitrate Nitrates of aluminium Double sulphates Hydrated chlorides Double nitrate Nitrates of aluminium Double sulphates ANSWER DOWNLOAD EXAMIANS APP