Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Hydrogen Nitrogen Helium Methane Hydrogen Nitrogen Helium Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polythene Nylon PVC Polystyrene Polythene Nylon PVC Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting Ammonia into N2 N2 into nitrate N2into nitrite Ammonia into nitrite Ammonia into N2 N2 into nitrate N2into nitrite Ammonia into nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Hydrochloric acid Acetic acid Aqua-regia Nitric acid Hydrochloric acid Acetic acid Aqua-regia Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the heaviest metal among the following? Copper Iron Silver Gold Copper Iron Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Low ionization energy Tendency to gain electrons Low electronegativity Malleability Low ionization energy Tendency to gain electrons Low electronegativity Malleability ANSWER DOWNLOAD EXAMIANS APP
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