It is important to always use a clean stirring rod when testing pH because it prevents contamination, ensures accurate data, and maintains safety in the lab. Using a dirty stirring rod can lead to skewed results and unreliable conclusions. Therefore, the statement is true. ;
It is true that you should always use a clean stirring rod when using pH indicator paper to avoid contamination, ensure accurate data, and maintain safety in the lab. Clean laboratory practices are necessary for reliable experimentation. The importance of a clean stirring rod cannot be overstated in achieving valid pH results.
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