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Which of the following substance is not an acid? Substance A is tested and found to have a pH of 3. Substance B, a common food, tastes sour. Substance C causes metals to corrode. Substance D feels slippery
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Which of the following substance is not an acid?

Substance A is tested and found to have a pH of 3.
Substance B, a common food, tastes sour.
Substance C causes metals to corrode.
Substance D feels slippery in solution.

User Jaex
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I am pretty sure that the no-acid substance is the last option from the scale represented above : Substance D feels slippery in solution. I choose this one beause I've recognized that it is a base which usually interact with oils in order to produce the same solution that was mentioned in the opton.


User Nelek
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