Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Oxides of mineral elements Water Carbon dioxide Carbonates from soil Oxides of mineral elements Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Viscosity Floatation Elasticity Surface tension Viscosity Floatation Elasticity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is an alloy of Carbon and iron Chromium and carbon Chromium and iron Chromium, carbon and iron Carbon and iron Chromium and carbon Chromium and iron Chromium, carbon and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Helium Nitrogen Hydrogen Oxygen Helium Nitrogen Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is Aluminium powder Lead powder Silver powder White lead Aluminium powder Lead powder Silver powder White lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Lead Copper Chromium Cadmium Lead Copper Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
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