In an experiment chromium, cobalt, copper and magnesium were each reacted with the aqueous nitrates of each metal. The results are shown in the table.

1. aArrange the metals in order of decreasing reactivity starting with the most reactive. [2]
2. bWhich metal nitrate from the table will most readily decompose when heated? [1]
3. cName any two products of the decomposition of the nitrate named. [2]
4. dSuggest which metal nitrate will decompose to a metal nitrite. [1]
5. eZinc reacts with aqueous copper(II) nitrate. Write an equation for the reaction. Include state symbols. [2]

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