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Pupils set up an experiment as shown in the diagram below. Which one of the following was a correct observation from the experiment?

Pupils set up an experiment as shown in the diagram below.

Which one of the following was a correct observation from the experiment?
A. Water level in the trough increased.
B. Candle flame brightened.
C. Water level in the jar increased.
D. Color of the water changed.

Answers

The correct answer is (C) Water level in the jar increased.

When the burning was going on, it used up oxygen gas leaving a vacuum which the water in the tray raised to occupy.

sharon kalunda answered the question on July 29, 2019 at 08:27

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