questionmark.gifmulti-word fill quiz 9Ewf3 on "Reactions of metals and metal compounds"
(a doc brown worksheet for QCA KS3 science-chemistry)

Site Meter* Do online OR printout, do, return to check answers. * KS3 Science Index * EMAIL comment?query * Doc Brown's Chemistry updated June 11th 2009 *

   blue      calcium      carbon      carbonate      chloride      cloudy      copper      dioxide      equations      green      limewater      magnesium      nitrate      salt      sulphate      sulphuric      water      word      zinc   
bubbling2.gif1. Metal carbonates react with acids to form a , water and the gas .

2. The gas given off in the reaction can be tested for with which is turned .

3. When the powder carbonate is dissolved in sulphuric acid a solution of the salt copper is formed.

balance1.gif4. Complete (a sort of balance!) the :

(a) carbonate + hydrochloric acid ==> calcium + + carbon dioxide

(b) carbonate + nitric acid ==> zinc + water +

(c) magnesium + acid ==> sulphate + water + carbon dioxide