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Chemistry CBSE Live product
Class 8 (2025-26)
The amazing world of solutes, solvents and solutions
Revision I - The amazing world of solutes, solvents and solutions
8.
Factors affecting solubility of gas in liquid
Question:
3
m.
Help
Ravi
to
answer the following questions:
based on the image:
1.
Why does the fish die in the warm river?
Increase in the dissolved oxygen, with increase in temperature
More dissolved oxygen, with increase in temperature
Decrease in the dissolved oxygen, with increase in temperature
Decrease in the dissolved oxygen, with decrease in temperature
2.
How does pollution reduces oxygen levels in water, causing fishes death?
Pollutants increase microbial activity; microbes release oxygen
Pollutants cools water; increases solubility of oxygen
Pollutants increase microbial activity; microbes consume oxygen
Pollutants dissolves oxygen better in water
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