Question

Which of the following substance is not an acid? 1. Substance A is tested and found to have a pH of 3. 2. Substance B, a common food, tastes sour. 3. Substance C causes metals to corrode. 4. Substance D feels slippery in solution.

Answer 1

Substance d as it's the only one with none acid traits

Answer 2

Answer

• The correct option is 4. feel slippery.

Explanation:

Acid and base have different characteristic which identify either it is acid or base.

1. Substance A is tested and found to have a pH of 3.

This option is for acid because acid have pH in the range of 0-6

2. Substance B, a common food, tastes sour?

This option is also for acid because acid have sour taste.

3. Substance C causes metals to corrode.

This option is also for acid because acid can cause corrosion

4. Substance D feels slippery in solution

This option is not for acid but it is for base because bases have the properties of slippery.