write 2 precautions required while finding the pH of the samples
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one should handle the samples properly
also the chemical added to it should be in proper amount
also the chemical added to it should be in proper amount
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The two possible precautions could be :
*Make sure that the place where you are testing the sample is dry and so wipe it over with a dry cotton cloth
*Also you should put only a drop of the sample solution to the pH paper prevent it from making it fully wet
HOPE IT HELPS PLEASE MARK AS THE BRAINLIEST ;-)
*Make sure that the place where you are testing the sample is dry and so wipe it over with a dry cotton cloth
*Also you should put only a drop of the sample solution to the pH paper prevent it from making it fully wet
HOPE IT HELPS PLEASE MARK AS THE BRAINLIEST ;-)
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