Chemistry Vulcanization of rubber is carried out by adding Ozone Phosphorus Carbon Sulphur Ozone Phosphorus Carbon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Potassium nitrate Sodium nitrate Potassium nitrite Sodium nitrite Potassium nitrate Sodium nitrate Potassium nitrite Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of hydrogen atoms in a Glucose molecule 12 14 6 8 12 14 6 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Ethanol Methane Butane Hydrogen Ethanol Methane Butane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon Nickel and cadmium Lead peroxide and lead Iron and cadmium Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Polynuclear hydrides Ionic hydrides Metallic hydrides Molecular hydrides Polynuclear hydrides Ionic hydrides Metallic hydrides Molecular hydrides ANSWER DOWNLOAD EXAMIANS APP