Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Helium Neon Argon Oxygen Helium Neon Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Beryllium Tantalum Silicon Ultra pure carbon Beryllium Tantalum Silicon Ultra pure carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Silicon Silicon and Iron Oxygen and Iron Silicon and Aluminium Oxygen and Silicon Silicon and Iron Oxygen and Iron Silicon and Aluminium 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? Titanium Aluminium Copper Iron Titanium Aluminium Copper Iron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS