31. When working with chemicals, the BEST practice to avoid Cross-Contamination is:
2 answers:
Answer: Avoid spilling of chemicals
Explanation:
The chemicals should be kept in air tight containers in order so that they cannot get spill over each other.
Cross contamination takes place when a different type of substance comes in contact with the different kind of substance.
The chemicals should be kept in a way that it does not comes in contact with the different one and get spoiled.
All but I think the best is B not sure
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