Chemistry The most abundant element in the human body is Oxygen Carbon Iron Nitrogen Oxygen Carbon Iron Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Deposit of animal waste Compressed and hardened biomass Crude oil Coke Deposit of animal waste Compressed and hardened biomass Crude oil Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is an alloy of Chromium, carbon and iron Chromium and iron Carbon and iron Chromium and carbon Chromium, carbon and iron Chromium and iron Carbon and iron Chromium and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The noble gas used in radiotherapy is Xenon Radon Argon Neon Xenon Radon Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particle having no mass and no charge, but only spin is Neutrino Proton Meson Electron Neutrino Proton Meson Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Noble gases Halogens Heavy metals Light metals Noble gases Halogens Heavy metals Light metals ANSWER DOWNLOAD EXAMIANS APP