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