Do not capitalize the names of chemicals unless you are beginning a sentence. Leave the student out of the discussion. Everyone knows you are a student. Tell the reader what you DID and HOW you did it. Accuracy refers to how close your value is to the standard or known value.
Water is clear and colorless.
Sunglasses are clear and green. Muddy water is cloudy and brown. Report data and results with units and with the appropriate number of significant figures. Do not include statements of opinion. For example, stating that the experiment was difficult or tedious is your opinion and does not belong in a reporting of the results of your study.