Chemistry Quartz is a crystalline form of Limestone Alumina Silica Glass Limestone Alumina Silica Glass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called levigation magnetic separation leaching liquation levigation magnetic separation leaching liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following was used as a chemical weapon in the first world war ? Carbon monoxide Hydrogen cyanide Mustard gas Water gas Carbon monoxide Hydrogen cyanide Mustard gas Water gas 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 Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Homogeneous Heterogeneous Both A and B Pure substance Homogeneous Heterogeneous Both A and B Pure substance ANSWER DOWNLOAD EXAMIANS APP
Chemistry 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by 7 3 6 4 7 3 6 4 ANSWER DOWNLOAD EXAMIANS APP