Chemistry Who developed the model of atomic structure ? Bohr and Rutherford Faraday Alfred Nobel Volta Bohr and Rutherford Faraday Alfred Nobel Volta ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains Phosphorus trichloride Phosphorus pentoxide White phosphorus Red phosphorus Phosphorus trichloride Phosphorus pentoxide White phosphorus Red phosphorus 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 Where does the oxygen that keeps us alive come from? Water Carbon dioxide Carbonates absorbed from soil Oxides of minerals Water Carbon dioxide Carbonates absorbed from soil Oxides of minerals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major use of sulphur is in the manufacture of Fungicide H2S SO2 H2SO4 Fungicide H2S SO2 H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/6 1/4 1/8 1/3 1/6 1/4 1/8 ANSWER DOWNLOAD EXAMIANS APP
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