Chemistry The most abundant element in the earth’s atmosphere is Argon Oxygen Nitrogen Krypton Argon Oxygen Nitrogen Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Viscosity Sedimentation equilibrium Osmotic pressure Light scattering Viscosity Sedimentation equilibrium Osmotic pressure Light scattering ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is found in chlorophyll ? A l3+ Mg2+ Fe2+ Ca2+ A l3+ Mg2+ Fe2+ Ca2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves Infrared Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Galena Feldspar Quartz Mica Galena Feldspar Quartz Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Carbon dioxide Nitrous oxide Oxygen Nitrogen Carbon dioxide Nitrous oxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP