End of Topic Test - Chemical Changes
Chemistry: AQA GCSE Higher, topic 4.4.7
Test yourself on End of Topic Test - Chemical Changes
What region of the pH scale would a substance that forms H+ be on?
This is an example of what type of reaction?
What characteristic makes a metal more reactive?
In the following reaction, what is the Na+ ion referred to as? 2NaBr + Cl2 → 2NaCl + Br2
What is the concentration of H+ at pH 4 in mol/dm3 ?