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