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Q:

Which statement describes the acid found in vinegar acetic acid ?

A) It feels slippery B) It reacts with Mg to produce H2
C) It tastes bitter D) It releases OH- in a solution

Answer:   B) It reacts with Mg to produce H2



Explanation:

Acid which is present in vinegar is approximately 5 % of acetic acid. This can be confirmed by testing the vinegar with magnesium which gives out hydrogen as a gas.

Subject: Chemistry
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