What is the pH of urine?

For what purpose the pH scale is used? What is the pH of pure water?

pH of urine is

pH of urine is

What substance is secreted by the proximal-tubule cells and prevents the pH of urine from becoming too acidic?

What is the colour of urine due to?

What is the nature of urine of human being?

What is the PH value of urine of human?

Give the pH of human urine.

What is the specific gravity, toxicity and pH range of normal urine?