Chemistry The most abundant element is Calcium Nitrogen Silicon Oxygen Calcium Nitrogen Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Lithium Zinc Oxygen Fluorine Lithium Zinc Oxygen Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tar roads get damaged if there is No maintenance Heavy traffic No sloping Stagnation of water on road No maintenance Heavy traffic No sloping Stagnation of water on road ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be same Need not be different Must be same Must be different Need not be same Need not be different Must be same Must be different ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Phosphorus-31 Tritium Radium Carbon-14 Phosphorus-31 Tritium Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrification is the biological process of converting N2 into nitrate N2into nitrite Ammonia into nitrite Ammonia into N2 N2 into nitrate N2into nitrite Ammonia into nitrite Ammonia into N2 ANSWER DOWNLOAD EXAMIANS APP
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