Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Galvanization Acceleration Vulcanization Sulphonation Galvanization Acceleration Vulcanization Sulphonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Slag is a name given for Molten alumina Molten calcium silicate Molten sand Molten iron Molten alumina Molten calcium silicate Molten sand Molten iron 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 7.2 x 5x x/6 5x/36 7.2 x 5x x/6 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? Sodium chloride Hydrogen peroxide Saltpetre Borax Sodium chloride Hydrogen peroxide Saltpetre Borax ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Rayon Cotton Terricot Nylon Rayon Cotton Terricot Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 CO Unburnt petrol SO2 CO2 CO Unburnt petrol SO2 ANSWER DOWNLOAD EXAMIANS APP
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