Chemistry Detergents clean surfaces on the principle of Surface tension Floatation Viscosity Elasticity Surface tension Floatation Viscosity Elasticity ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air Solar ultraviolet radiation Solar infrared radiation SO2 in the air CO2 in the air Solar ultraviolet radiation Solar infrared radiation SO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 50 and 100 km 10 and 20 km 20 and 50 km 5 and 10 km 50 and 100 km 10 and 20 km 20 and 50 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Nitrogen Hydrogen Oxygen Carbon Nitrogen Hydrogen Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Oxygen Sulphur Chlorine Phosphorus Oxygen Sulphur Chlorine Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Ground water Distilled water Tap water Rain water Ground water Distilled water Tap water ANSWER DOWNLOAD EXAMIANS APP
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