1. What changes (state, colour, shape of solid, formation of gas) did you observe during the chemical reaction?
A: With the phenolphthalein in the water, when the calcium is placed in the water it turns pink. The water bubbles and the calcium begins to jump around.
2. What is the likely identity of the gas that was produced?
A: Likely, the gas that was produced was hydrogen.
No comments:
Post a Comment