Chemistry Maximum permissible concentration of total hardness in drinking water is 50 500 100 200 50 500 100 200 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical formula of the laughing gas is NO N2O N2O3 NO2 NO N2O N2O3 NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals causes Itai-Itai disease ? Copper Cobalt Chromium Cadmium Copper Cobalt Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Methane Carbonic Acid Ammonia Water Methane Carbonic Acid Ammonia Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Visible Radio-waves Infrared Ultraviolet Visible Radio-waves Infrared Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
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