pH suitable for pltyalin is

pH suitable for ptyalin is

pH suitable for ptyalin is

pH suitable for ptyalin action is

pH suitable for ptyalin actions is ………….. .

Which one of the following mixtures is suitable for making a buffer solution will an optimum pH of 9.2 - 9.3 ?

Which one of the following mixtures is suitable for making a buffer solution will an optimum pH of 9.2 - 9.3 ?

Assertion: As the pH of water decreases , the solubility of metal ions increases. Reason: Water having pH lt 5.5 is not suitable for drinking purposes.

Fill in the following blanks with suitable words (a). Acids have a pH____than 7. (b). Alkalis have a pH_____than 7. (c). Neutral substances have a pH of _____ (d) The more acidic a solution, the _____the pH. (e). The more alkaline a solution, the _______the pH.