Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Soft and flexible Strong and hard Withstand higher temperatures Chemical resistant Soft and flexible Strong and hard Withstand higher temperatures Chemical resistant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Ionic hydrides Molecular hydrides Polynuclear hydrides Metallic hydrides Ionic hydrides Molecular hydrides Polynuclear hydrides Metallic 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 Sponge Sulphur Chlorine Polythene Sponge Sulphur Chlorine Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value ANSWER DOWNLOAD EXAMIANS APP