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