Chemistry In deep-sea diving, divers use a mixture of gases consisting of oxygen and Argon Nitrogen Helium Hydrogen Argon Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The aqueous solution of potassium chloride is A strong electrolyte Initially weak and then become a strong electrolyte A weak electrolyte A non-electrolyte A strong electrolyte Initially weak and then become a strong electrolyte A weak electrolyte A non-electrolyte ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium chloride Calcium sulphate Calcium borate Calcium phosphate Calcium chloride Calcium sulphate Calcium borate Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Nitrogen Iron Carbon Oxygen Nitrogen Iron Carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Vessel Cathode Electrolyte Anode Vessel Cathode Electrolyte Anode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Anthracite Lignite Bituminous Peat Anthracite Lignite Bituminous Peat ANSWER DOWNLOAD EXAMIANS APP