Chemistry The most abundant element by number in the living system is : Oxygen Hydrogen Carbon Nitrogen Oxygen Hydrogen Carbon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are mesons neutrons positrons electrons mesons neutrons positrons electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bayer's reagent is Alkaline potassium permanganate Hydrogen peroxide Bromine water Acidified potassium permanganate Alkaline potassium permanganate Hydrogen peroxide Bromine water Acidified potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and b C and d B and c A and c A and b C and d B and c A and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most dense liquid from the below Water Choloform None of these Gasolin Water Choloform None of these Gasolin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Chloroprene Nitrous oxide Carbonyl chloride Bleaching powder Chloroprene Nitrous oxide Carbonyl chloride Bleaching powder ANSWER DOWNLOAD EXAMIANS APP