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