Chemistry Which of the following laser types is used in a laser printer? Excimer laser Gas laser Semiconductor laser Dye laser Excimer laser Gas laser Semiconductor laser Dye laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Sodium carbonate Alum Potassium Permangante Lime Sodium carbonate Alum Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Polymers Hydrocarbons Salts Elements Polymers Hydrocarbons Salts Elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who developed Hydrogen Bomb? Wernher Von Braun J. Robert Oppen Heimer Edward Teller Samuel Cohen Wernher Von Braun J. Robert Oppen Heimer Edward Teller Samuel Cohen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Carbonation Oxidation Hydration Desilication Carbonation Oxidation Hydration Desilication ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.323 0.158 0.201 0.273 0.323 0.158 0.201 0.273 ANSWER DOWNLOAD EXAMIANS APP
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