A student added very dilute sulphuric (VI) acid to four substances and recorded the observations shown in the table below.

      

A student added very dilute sulphuric (VI) acid to four substances and recorded the observations shown in the table below.
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For which tests are the observations wrong? Explain.

  

Answers


John
Tests 2 and 3: For test 2, iron is above hydrogen in the reactivity series hence it displaces hydrogen. For test 3, dilute sulphuiric (VI) acid is not an oxidizing agent hence cannot oxidise carbon to carbon (IV) oxide
johnmulu answered the question on April 6, 2017 at 08:47


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