Calcium metal is added to a beaker of water.
Which observation is correct and complete?
a colourless solution
a colourless solution with effervescence
a white precipitate
a white precipitate with effervescence
10 exam-style questions on AQA A Level Chemistry Group 2, the alkaline earth metals, covering Group 2, the alkaline earth metals. Each one has a worked solution and a mark scheme showing where the marks go.