Chemistry Which of the following metals is used in Space Crafts to withstand high temperatures ? Pb Fe Ti Ni Pb Fe Ti Ni ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Does not follow a definite pattern Decreases Increases Remains unchanged Does not follow a definite pattern Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen Carbon monoxide Carbon dioxide Nitrogen dioxide Nitrogen Carbon monoxide Carbon dioxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Alum Sodium carbonate Lime Potassium Permangante Alum Sodium carbonate Lime Potassium Permangante ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Helium Argon Neon Oxygen Helium Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Ethanol Hydrogen Butane Methane Ethanol Hydrogen Butane Methane ANSWER DOWNLOAD EXAMIANS APP