What complications may have arisen if you had used a ball pen instead of a pencil in labeling the filter paper? Explain.
The solvent would dissolve the ink and, depending on where you labelled the paper, this would give a streak on the paper.
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If a ball pen was used instead of a pencil in labeling the filter paper, there could be a few potential complications:
1. Permanent marking: Ball pens use ink that is designed to create permanent marks. This means that if a mistake is made, it cannot be easily erased or corrected. This could lead to confusion if the wrong information is written on the filter paper or if the labeling needs to be modified later.
2. Bleeding or smudging: Ball pen ink can sometimes bleed or smudge, especially on porous materials like filter paper. This can result in unclear or illegible labels. It could make it difficult to differentiate between different samples or read important information.
3. Contamination: Ball pens might contain chemicals or additives in their ink that could contaminate the sample or affect the results of the experiment. These chemicals could potentially interfere with the substances being filtered or react with other chemicals in the solution.
To avoid these complications, it is generally recommended to use a pencil for labeling filter paper. Pencils use graphite or a similar substance that can be easily erased or corrected if a mistake is made. Additionally, the graphite does not bleed or smudge, and it does not introduce any potential contaminants into the experiment.