Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 zero 5 2 4 zero 5 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Sodium Silver Aluminium Calcium Sodium Silver Aluminium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Disodium hydrogen phosphate Sodium dihydrogen phosphate Phosphoric acid Sodium phosphate Disodium hydrogen phosphate Sodium dihydrogen phosphate Phosphoric acid Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Lead Zinc Tin Copper Lead Zinc Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Aluminium Copper Iron Titanium Aluminium Copper Iron Titanium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Galvanization Alloy formation Zinc plating Vulcanization Galvanization Alloy formation Zinc plating ANSWER DOWNLOAD EXAMIANS APP