Chemistry The chief constituent of natural gas is: Propane Nitrogen Helium Methane Propane Nitrogen Helium Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Pb Ni Fe Ti Pb Ni Fe Ti ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Acid Plants Wood burning Paints Domestic sewage Acid Plants Wood burning Paints ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has Smaller atomic radius Stable half filled 2p sub level High nuclear charge High bond dissociation energy Smaller atomic radius Stable half filled 2p sub level High nuclear charge High bond dissociation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as a sowing agent in the preparation of soft drinks? Boric acid Phosphorus acid Phosphoric acid Salicylic acid Boric acid Phosphorus acid Phosphoric acid Salicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Potassium Iodide Sugar Table salt Iodine Potassium Iodide Sugar Table salt Iodine ANSWER DOWNLOAD EXAMIANS APP