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Two bottles were half filled with water ...

Two bottles were half filled with water from Ganga ('P") and kaveri ('Q') and kept under identical airtight conditions for 5 days. The oxygen was determined to be 2% in bottle ('P') and 10% in bottle ('Q'). What could be the cause of this difference ?

A

Ganga is more polluted than Kaveri

B

Both the rivers are equally polluted

C

Kaveri is more polluted than Ganga

D

Kaveri has more minerals than Ganga

Text Solution

Verified by Experts

The correct Answer is:
A
Ganga is more polluted than Keveri
`to` Lower DO [Dissolved Oxygen] indicates polluted water
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