Advertisements
Advertisements
प्रश्न
How is the life of organisms living in water affected when water gets polluted?
Advertisements
उत्तर
The addition of undesired chemicals such as pesticides, fertilizers, industrial and domestic wastes not only kills the organisms but also causes diseases in the aquatic organisms. There is a decrease in the amount of dissolved oxygen in water, which has a negative impact on aquatic life.
APPEARS IN
संबंधित प्रश्न
Name the two gases from which water is formed. What is the chemical composition of these two gases in water ?
Give reason for Silica gel pouches are kept in unused water bottle.
Give balanced chemical equation for the reaction of water with Sodium oxide.
What are the main causes of water pollution ? How can it be controlled ?
A captain of ship will tell you that an iceberg is much bigger than it looks. Why is it so ?
What is the effect of impurities present in the water on the melting point and boiling point of water?
Explain why:
If distilled water is kept in a sealed bottle for a long time, it leaves etchings on the surface of the glass.
What do you understand by soft water?
State any two sources of water pollution.
If, at some place, it did not rain for a very long period of time, what would be its effect on the life of the people there?
