Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 19 17 53 36 19 17 53 36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was iron copper gold bronze iron copper gold bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following alloy is used in making magnet ? Magnalium Alnico Stainless steel Duralumin Magnalium Alnico Stainless steel Duralumin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Cs Na K Ca Cs Na K Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Silicon and Germanium Tungsten and Platinum Iridium and Germanium Carbon and Platinum Silicon and Germanium Tungsten and Platinum Iridium and Germanium Carbon and Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals is used to galvanise iron ? Zinc Copper Mercury Lead Zinc Copper Mercury Lead ANSWER DOWNLOAD EXAMIANS APP