Chemistry · Oct / Nov 2023 · Paper 12 · Question 27
A small piece of metal is added to a large beaker of water. A vigorous reaction occurs. When the reaction stops, a few drops of litmus are added to the solution. What is the metal and which colour is the solution after the litmus is added?
- Acalcium, blue
- Bcalcium, red
- Cmagnesium, blue
- Dmagnesium, red
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Correct answer: A. calcium, blue
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