| Q.49 | Which of the following statement is NOT true about buffer solutions? | |
| Ans | 1. The examples of Buffer solutions are Blood and urine. | |
| 2. The solutions which resist change in pH on dilution or with the addition of small amounts of acid or alkali are called Buffer solutions. | ||
| 3. The mixture of ammonium chloride and ammonium sulphate acts as a buffer around pH 9.25. | ||
| 4. The mixture of acetic acid and sodium acetate acts as buffer solution around pH 4.75. |
Correct Ans Provided: 3