1.

Give reason:When urine is discharged, in beginning it is acidic in nature later it becomes alkaline.

Answer»

1. Urine contains 96% of water, 2.5% of organic substances and 1.5% of inorganic solutes. 

2. Urine is acidic in the beginning of it’s formation. 

3. Gradually it becomes alkaline due to the decomposition of urea to form AMMONIA.



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