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