Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Strong and hard Soft and flexible Chemical resistant Withstand higher temperatures Strong and hard Soft and flexible Chemical resistant Withstand higher temperatures 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 Alcohol Sulphur Silicon Nitrogen Alcohol Sulphur Silicon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Polythene Sponge Sulphur Chlorine Polythene Sponge Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its 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 High calorific value ANSWER DOWNLOAD EXAMIANS APP