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 Hydrogen Nitrogen Carbon Oxygen Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element required for solar energy conversion ? Tantalum Ultra pure carbon Silicon Beryllium Tantalum Ultra pure carbon Silicon Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Aluminium Oxygen and Iron Silicon and Iron Oxygen and Silicon Silicon and Aluminium Oxygen and Iron Silicon and Iron 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? Copper Aluminium Titanium Iron Copper Aluminium Titanium Iron ANSWER DOWNLOAD EXAMIANS APP