Chemistry Which one is the most reactive gaseous element Iodine Chlorine Flourine Bromine Iodine Chlorine Flourine Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Light metals Noble gases Halogens Heavy metals Light metals Noble gases Halogens Heavy metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 14 None 8 – 14 0 – 7 0 – 14 None 8 – 14 0 – 7 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Al2O3 CaO Na2O + K2O CaSO4, 2H2O Al2O3 CaO Na2O + K2O CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Bleaching powder Chloroprene Nitrous oxide Carbonyl chloride Bleaching powder Chloroprene Nitrous oxide Carbonyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Butane Propane Methane Ethane Butane Propane Methane Ethane ANSWER DOWNLOAD EXAMIANS APP