Chemistry Which of the following is not a chemical reaction'? Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic numbers Higher atomic masses Higher atomic radii Higher densities Higher atomic numbers Higher atomic masses Higher atomic radii Higher densities ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called magnetic separation leaching liquation levigation magnetic separation leaching liquation levigation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is All of these Methane Nitrogen Ethane All of these Methane Nitrogen Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 8, 10 2, 6, 8, 4 2, 10, 8 2, 8, 8, 2 2, 8, 10 2, 6, 8, 4 2, 10, 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Copper Silver Gold Mercury Copper Silver Gold Mercury ANSWER DOWNLOAD EXAMIANS APP
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