Chemistry Which one is the naturally occuring heaviest element Thorium Protactinium Mercury Uranium Thorium Protactinium Mercury Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Hydrogen Nitrogen Chlorine Oxygen Hydrogen Nitrogen Chlorine Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves in n x 10th Bohr's orbit are n n-2 n3 n2 n n-2 n3 n2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbonates absorbed from soil Oxides of minerals Water Carbon dioxide Carbonates absorbed from soil Oxides of minerals Water Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? Aluminium Paper D.T. Plastic Aluminium Paper D.T. Plastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Chromium Zinc Tin Copper Chromium Zinc Tin Copper ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS