Chemistry The chemical formula of the laughing gas is NO NO2 N2O N2O3 NO NO2 N2O N2O3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Calcium salts used as fertilizer is : Calcium Carbonate Calcium Carbide Calcium Cyanide Calcium Sulphate Calcium Carbonate Calcium Carbide Calcium Cyanide Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar ultraviolet radiation SO2 in the air Solar infrared radiation CO2 in the air Solar ultraviolet radiation SO2 in the air Solar infrared radiation CO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium Silicon and Germanium Carbon and Platinum Tungsten and Platinum Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Zinc Silver Nickel Copper Zinc Silver Nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Uninterrupted power supply (UPS) Battery Generator Power transmittor Uninterrupted power supply (UPS) Battery Generator Power transmittor ANSWER DOWNLOAD EXAMIANS APP
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