Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Neon Oxygen Argon Helium Neon Oxygen Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Nitrogen Oxygen Carbon Hydrogen Nitrogen Oxygen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Silicon Beryllium Tantalum Ultra pure carbon Silicon Beryllium Tantalum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Iron Oxygen and Silicon Silicon and Aluminium Silicon and Iron Oxygen and Iron Oxygen and Silicon Silicon and Aluminium Silicon and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Copper Iron Titanium Aluminium Copper Iron Titanium Aluminium ANSWER DOWNLOAD EXAMIANS APP
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