The concentration of the dissolved oxygen in water depends on several factors like temperature, pressure, salinity and atmospheric condition. The capacity to hold the dissolved oxygen is higher in cold water, this is because of solubility of gases. The concentration of DO in the cold water reaches upto 10 ppm.
So, the correct answer is (A): 10 ppm
Which of the following industries generate non-biodegradable wastes?
1) Cotton mills
(2) Paper mills
(3) Thermal power plants
(4) Textile factories
The IUPAC name of the following compound is:
The following are the major sources of Water Pollution: