Chemistry Which gas is most stable at room temperature H2 O2 N2 F2 H2 O2 N2 F2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Carbon monoxide Oxygen Carbon dioxide Helium Carbon monoxide Oxygen Carbon dioxide Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Anthracite Lampblack Graphite Wood Charcoal Anthracite Lampblack Graphite Wood Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Sodium Potassium Iron Magnesium Sodium Potassium Iron Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Lack of aeration Collection of dust Frequent use Oxidation of cellulose Lack of aeration Collection of dust Frequent use Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Gold Lead Calcium Iron Gold Lead Calcium Iron ANSWER DOWNLOAD EXAMIANS APP