Chemistry Which of the following vitamins is generally excreted by human in urine? Vitamin D None of these Vitamin B Vitamin C Vitamin D None of these Vitamin B Vitamin C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Vulcanization Galvanization Sulphonation Acceleration Vulcanization Galvanization Sulphonation Acceleration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Natural Gas Mica Coal Petroleum Natural Gas Mica Coal Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Alloy formation Galvanization Zinc plating Vulcanization Alloy formation Galvanization Zinc plating Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Malleability Low electronegativity Low ionization energy Tendency to gain electrons Malleability Low electronegativity Low ionization energy Tendency to gain electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Tollen's Nylon 66 Bakelite Terylene Tollen's Nylon 66 Bakelite Terylene ANSWER DOWNLOAD EXAMIANS APP