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