Chemistry Which of the following metals form an amalgam with other metals ? Zinc Lead Mercury Tin Zinc Lead Mercury Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Thomson Rutherford Sommerfeld Hund Thomson Rutherford Sommerfeld Hund 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? Copper Titanium Iron Aluminium Copper Titanium Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Carbon Calcium Oxygen Nitrogen Carbon Calcium Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Nitrogen Oxygen Argon Carbon dioxide Nitrogen Oxygen Argon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Arsenic Lead Aluminium Mercury Arsenic Lead Aluminium Mercury ANSWER DOWNLOAD EXAMIANS APP
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