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