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? Copper Titanium Iron Aluminium Copper Titanium Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Formic acid Butyric acid Caproic acid Acetic acid Formic acid Butyric acid Caproic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Lead Tin Zinc Copper Lead Tin Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas dissolved in water that makes it basic is : Carbon dioxide Ammonia Hydrogen Sulphur dioxide Carbon dioxide Ammonia Hydrogen Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Carbon Nitrogen Oxygen Hydrogen Carbon Nitrogen Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Radium Phosphorus-31 Tritium Carbon-14 Radium Phosphorus-31 Tritium Carbon-14 ANSWER DOWNLOAD EXAMIANS APP