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 Metallic hydrides Ionic hydrides Polynuclear hydrides Molecular hydrides Metallic hydrides Ionic hydrides Polynuclear hydrides Molecular hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Silicon Nitrogen Alcohol Sulphur Silicon Nitrogen Alcohol Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Chlorine Sulphur Polythene Sponge Chlorine Sulphur Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High calorific value Low reactivity with metal High flammability Ability to lower the melting point of the metal High calorific value Low reactivity with metal High flammability Ability to lower the melting point of the metal ANSWER DOWNLOAD EXAMIANS APP