Properties of Period 3 elements and their oxides

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Question 1 of 50

0:003 parts · 5 marks

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The chart shows the approximate pH of the solution or mixture formed when each Period 3 oxide is added to water.

(a)[2]
Write an equation for the reaction of sodium oxide with water and give the approximate pH of the solution formed.
(b)[2]
Write an equation for the reaction of sulfur trioxide with water and give the approximate pH of the solution formed.
(c)[1]
Explain why the mixture formed when aluminium oxide is added to water has a pH of about 7.