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The apparatus shown below was used to investigate the effect of Carbon (II) Oxide on Lead (II) Oxide.
Chemf4et1p1q7

  1. State the observation made in the combustion tube during the experiment.
  2. Write the equation for the reaction that take place in test-tube E.

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  1. State the observation made in the combustion tube during the experiment. 
    • Yellow solid changes to orange then to grey
  2. Write the equation for the reaction that take place in test-tube E. 
    • CO2(g)+CO2(OH)2(aq)→CaCO3(s)+H2O(l)

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