Fresh milk has a pH of 6. When milk changes into curd, the pH value will:

49 Wasp stings can be treated with: 50 It has been found that rubbing vinegar on the stung area of the skin of a person gives him relief. The person has been stung by: 52 The acid produced naturally in our stomach is: 53 The daffodil plants grow best in a soil having a pH range of 6.0 to 6.5. If the soil in a garden has a pH of 4.5, which substance needs to be added to the soil in order to grow daffodils?