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 Molecular hydrides Metallic hydrides Ionic hydrides Polynuclear hydrides Molecular hydrides Metallic hydrides Ionic hydrides Polynuclear hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Alcohol Sulphur Nitrogen Silicon Alcohol Sulphur Nitrogen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Chlorine Sulphur Polythene Sponge Chlorine Sulphur Polythene 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
EXAMIANS