Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? The paper ignites There is no reaction. There is a violent explosion. There is a crackling sound The paper ignites There is no reaction. There is a violent explosion. There is a crackling sound 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 Iron and cadmium Lead peroxide and lead Zinc and carbon Nickel and cadmium Iron and cadmium Lead peroxide and lead Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Pollutant gas, present in air Microbes, present in air Green house gas present in air Suspended solid particles in air Pollutant gas, present in air Microbes, present in air Green house gas present in air Suspended solid particles in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Pyridine Petrol Water Kerosene Pyridine Petrol Water Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: How fast the reactions go All of these are correct The rate of chemical reaction The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go All of these are correct The rate of chemical reaction The mechanisms and paths of the molecules take in joining from one reactant to products ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a Bakelite ? Polymer Base Solution Acid Polymer Base Solution Acid ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS