Question

Which of the following is/are not true for an acid?

• A. Acids are present in fruits.
• B. Acids turn phenolphthalein colourless.
• C. Acids are corrosive in nature.
• D. Acids have pH range 8 to 14.

Answer 1

The correct option is D

Acids have pH range 8 to 14.

• Acids are present in fruits we eat. For example, orange contains citric acid.
• When phenolphthalein is added into acids, it turns colorless.
• Acids are corrosive in nature.
• Acids have pH range 0 to 7 whereas bases have a pH range of 8 -14 on pH scale.