Chemistry The material known in commerce as Terylene is a Modified natural fibre Blend of cotton and silk Synthetic fibre Natural fibre Modified natural fibre Blend of cotton and silk Synthetic fibre Natural fibre ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x x/6 5x/36 7.2 x 5x x/6 5x/36 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry An alloy used in making heating elements for electric heating device is Solder Alloy Steel Nichrome German Silver Solder Alloy Steel Nichrome German Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of baking soda is Sodium carbonate Sodium bicarbonate Sodium chloride Sodium nitrate Sodium carbonate Sodium bicarbonate Sodium chloride Sodium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Petrol Oxalic acid solution Lime Kerosene Petrol Oxalic acid solution Lime Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Endothermic reaction Exothermic reaction Photochemical reaction Physical change Endothermic reaction Exothermic reaction Photochemical reaction Physical change ANSWER DOWNLOAD EXAMIANS APP