Question 11
In this investigation, calcium is placed in cold water using tongs. A lighted splint is held near the mouth of the test tube, the mixture is left for five minutes, and a few drops of Universal Indicator are added. Wear safety goggles and gloves; perform the gas test only under the teacher’s supervision.
What does the Universal Indicator tell you about the nature of the metal hydroxide produced in this reaction? Tick (✓) the correct answer.
It is acidic.
It is neutral.
It is alkaline.
What does the Universal Indicator tell you about the nature of the metal hydroxide produced in this reaction? Tick (✓) the correct answer.
It is acidic.
It is neutral.
It is alkaline.
