Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Hydrogen peroxide Saltpetre Borax Sodium chloride Hydrogen peroxide Saltpetre Borax Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The laws of electrolysis are given by Lewis Arrhenius Ostwald Faraday Lewis Arrhenius Ostwald Faraday ANSWER DOWNLOAD EXAMIANS APP
Chemistry In drinking water supply, which of the following treatments is not involved Disinfection Softening Sedimentation Coagulation Disinfection Softening Sedimentation Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Totally colourless Reduced by light Oxidised in air Soluble in hyposolution Totally colourless Reduced by light Oxidised in air Soluble in hyposolution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Smoke is formed due to Solid dispresed in liquid Gas dispersed in gas Solid dispersed in gas Gas dispresed in solid Solid dispresed in liquid Gas dispersed in gas Solid dispersed in gas Gas dispresed in solid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Iron Carbon Oxygen Nitrogen Iron Carbon Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP