Chemistry The percentage of oxygen in air is approximately 0.21 0.78 1 0.01 0.21 0.78 1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Floatation Elasticity Surface tension Viscosity Floatation Elasticity Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soldering of two metals is possible because of the property of : Surface tension Cohesion Osmosis Viscosity Surface tension Cohesion Osmosis Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 300 km 100 km 200 km 150 km 300 km 100 km 200 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Fuel combustion Industrial process Transportation Solid waste disposal Fuel combustion Industrial process Transportation Solid waste disposal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Iridium and Germanium Tungsten and Platinum Carbon and Platinum Silicon and Germanium Iridium and Germanium Tungsten and Platinum Carbon and Platinum ANSWER DOWNLOAD EXAMIANS APP
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