Electrochemical Series

The position of some metals in the electrochemical series in dectreasing electropositeve character is given as Mg lt Al gt Zn gt Cu gt Ag . What will happen if a copper spoon is used to stir a solution of aluminimum nitrate ?

Most metal oxide are thermally stable at temperature upto 1000^(@)C but the oxide of metals below hydrogen in the electrochemical series fairly. Thus HgO and Ag_(2)O decomposes on heating. Q. Which of the following salt salt does not give NO_(2) gas on heating?

Most metal oxide are thermally stable at temperature upto 1000^(@)C but the oxide of metals below hydrogen in the electrochemical series fairly. Thus HgO and Ag_(2)O decomposes on heating. Q. Which of the following compound cannot be thermally decomposed even at high temperature?

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