I did not understand this.
We have to write
Aim
Material required
Theory
Procedure and observations
Conclusion
Precaution

Dear Student, In your previous question, there experimental details have been provided. Refer the precautions given here: 1) Care should be taken while handling the candle. 2) Water level should be maintained and observed carefully. 3) Size of the candles should be nearly same so that assessment of oxygen can be done easily. 4) There should be no space between the jars while inverted (otherwise it will hinder with the atmospheric oxygen). Regards

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