Chemistry The elements in the modern Periodic table are arranged according to their Neutron number Mass number Atomic number Atomic Weight Neutron number Mass number Atomic number Atomic Weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Sodium chloride Borax Saltpetre Hydrogen peroxide Sodium chloride Borax Saltpetre ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Soda lime Baking soda Washing soda Caustic soda Soda lime Baking soda Washing soda Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide Conversion of ammonia to nitrites Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of nitrite to nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Cadmium Cobalt Copper Chromium Cadmium Cobalt Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Hydrogen Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP