SC-1138
Properties of acids and alkalis
Lower Sec Science · Secondary 2 · Medium · Properties of acids and alkalis
A student investigates the reaction between citric acid solution and sodium carbonate powder in a test-tube. She adds the exact amount of sodium carbonate needed to react completely with the citric acid.
Which observation will she see during the reaction?
Which observation will she see during the reaction?
- The solution freezes and forms crystals.
- Bubbles of gas are produced in the test-tube.
- The test-tube becomes completely dry.
- A bright flame is produced above the solution.
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