Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Chemical resistant Withstand higher temperatures Soft and flexible Strong and hard Chemical resistant Withstand higher temperatures Soft and flexible Strong and hard ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Polynuclear hydrides Molecular hydrides Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides Ionic hydrides Metallic hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Nitrogen Silicon Sulphur Alcohol Nitrogen Silicon Sulphur Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Chlorine Sulphur Polythene Sponge Chlorine Sulphur Polythene Sponge ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value High flammability Ability to lower the melting point of the metal Low reactivity with metal High calorific value ANSWER DOWNLOAD EXAMIANS APP