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What is Which of the following has the highest pH? and explain in detail?
Gastric juice has lowest pH among the given options. Primary salivary secretion has a pH little below 7 {6.35-6.85}; after ductular modification, that is HCO3- is added, pH increases up to 8. Pancreatic juice has a pH of about 8-8.3. Gallbladder bile has a pH of about 6.