Chemistry The first metal used by a man was Brass Silver Copper Bronze Brass Silver Copper Bronze ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 2 5 4 zero 2 5 4 zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Barium Silver Copper Magnesium Barium Silver Copper Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Zinc Chromium Lead Antimony Zinc Chromium Lead Antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is Ca K Cs Na Ca K Cs Na ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? None of these Coal and Natural Gas only Coal, Natural Gas and Petroleum Coal only None of these Coal and Natural Gas only Coal, Natural Gas and Petroleum Coal only ANSWER DOWNLOAD EXAMIANS APP