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