Separate samples of calcium and barium are each placed into beakers of cold water that contain a few drops of litmus solution. Which observation is seen with calcium only, and not with barium?
- A1, 2 and 3
- B1 and 2 only
- C2 and 3 only
- D1 only
Chemistry 9701 · AS & A Level · Group 2
Separate samples of calcium and barium are each placed into beakers of cold water that contain a few drops of litmus solution. Which observation is seen with calcium only, and not with barium?