IGCSE/GCSE Chemistry multi word-fill worksheet of Questions on METAL REACTIVITY

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   acid      blue      chloride      copper      corroded      Cu      displace      extract      hydrogen      hydroxide      magnesium      metal      Mg      MgO      MgSO4      reactive      reverse      salt      sulphate      sulphuric      white   
Q1 The higher the metal in the series, the more it is i.e. the faster and more exothermic the reaction. It also means that the reaction becomes more difficult. This also means the more reactive the metal, the more difficult it is to it from its ore. The less reactive the metal, the less it is with oxygen and water.

Q2 A metal in the series, can any metal below it in the series, from the less metal's oxide, chloride or sulphate compound. For example ...
(i) on heating the mixture of magnesium powder and black copper(II) oxide, coloured magnesium oxide is formed with brown bits of : + CuO => + Cu
(ii) adding magnesium to blue copper(II) sulphate solution, the colour fades as colourless is formed and brown bits of copper metal form a precipitate
Mg + CuSO4 => +

Q3 Some general word equations where the metal does react are listed below ...
(a) metal + cold water => + hydrogen (for metals above aluminium)
(b) heated metal + steam => metal oxide + (for metals above tin Sn)
(c) metal + => metal + (if the metal is at least as reactive as lead)
Note: Hydrochloric acid makes a metal AND acid makes a metal sulphate.

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