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