Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular 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 Sulphur Sponge Polythene Chlorine Sulphur Sponge Polythene Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry In arc welding, Argon is used because of its High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability High calorific value Ability to lower the melting point of the metal Low reactivity with metal High flammability ANSWER DOWNLOAD EXAMIANS APP