McqMate
| Q. |
Which of the following has pH value 7? |
| A. | Pure Water |
| B. | H2SO4 |
| C. | Sodium Carbonate |
| D. | HCl |
| Answer» A. Pure Water | |
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Explanation: In chemistry, pH is a numeric scale used to specify the acidity or basicity of an aqueous solution. Solutions with a pH less than 7 are acidic and solutions with a pH greater than 7 are basic. Pure water is neutral, being neither an acid nor basic; so it has pH value of 7. |
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