Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Ultraviolet Radio-waves Visible Infrared Ultraviolet Radio-waves Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Carbon Sulphur Phosphorus Hydrogen Carbon Sulphur Phosphorus Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is helium oxygen ozone methane helium oxygen ozone methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following methods is used in determining the number average molar mass of a macromolecule Osmotic pressure Light scattering Sedimentation equilibrium Viscosity Osmotic pressure Light scattering Sedimentation equilibrium Viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, zinc, aluminium Copper, zinc, nickel Copper, silver, nickel Copper, nickel, aluminium Copper, zinc, aluminium Copper, zinc, nickel Copper, silver, nickel Copper, nickel, aluminium ANSWER DOWNLOAD EXAMIANS APP
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