Chemistry Which one of the following is known as the 'brown coal'? Anthracite Bituminous Lignite Coke Anthracite Bituminous Lignite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Thorium Uranium Iron Rhodium Thorium Uranium Iron Rhodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Radio-waves Ultraviolet Visible Infrared Radio-waves Ultraviolet Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of neutrons the number of nucleons the number of protons the number of protons and electrons the number of neutrons the number of nucleons the number of protons the number of protons and electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam ANSWER DOWNLOAD EXAMIANS APP
Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Hydrogen Helium Argon Nitrogen Hydrogen Helium Argon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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