Chemistry 'Plaster of Paris' is made by partial dehydration of Blue vitriol Gypsum salt Green vitriol Epsom salt Blue vitriol Gypsum salt Green vitriol Epsom salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Carbon dioxide Chloro fluorocarbon Carbon monoxide Freon Carbon dioxide Chloro fluorocarbon Carbon monoxide Freon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Neon Oxygen Argon Helium Neon Oxygen Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 10 gram of molecule 5 gram of molecule 0.5 gram of molecule 1 gram of molecule 10 gram of molecule 5 gram of molecule 0.5 gram of molecule 1 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Calcination Refining Smelting Roasting Calcination Refining Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Carbon monoxide Carbon dioxide Oxygen Ozone Carbon monoxide Carbon dioxide Oxygen Ozone ANSWER DOWNLOAD EXAMIANS APP
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