Chemistry Which among the following is found in chlorophyll ? Ca2+ Mg2+ A l3+ Fe2+ Ca2+ Mg2+ A l3+ Fe2+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Fluorine Chlorine Radium Francium Fluorine Chlorine Radium Francium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Abrasion Passivation Corrosion Erosion Abrasion Passivation Corrosion Erosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Silver Zinc Aluminium Copper Silver Zinc Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Electrons Positrons Neutrons Protons Electrons Positrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Activated carbon Bleach Deactivated nitrogen Alum Activated carbon Bleach Deactivated nitrogen Alum ANSWER DOWNLOAD EXAMIANS APP
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