2009 GCE ‘O’ Levels Examinations will start in few days time. If you are a student based in Singapore, you must be excited it.
Hope you are revising well for Chemistry Exams. In any case that you would like more challenging exam-based questions to discuss – check out the following questions on Salts!
Question 1:
Which of the following salts cannot be prepared by reacting a metal with a dilute acid?A. copper(II) chloride
B. iron (II) chloride
C. magnesium sulfate
D. zinc sulfate
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Question 2:
Which one of the following pairs consists of substances that produce a precipitate when [Read more…] about O Levels Chemistry Questions: More Challenging Exam-Based Questions on Preparation of Salts