The four main water sources are oceans, glaciers and ice caps, groundwater, and surface water (rivers and lakes).
Related Questions:
- List the impurities present in rainwater.
- List toxic substances present in household wastes.
- In what ways do industrial wastes pollute water?
- What is water pollution?
- List some waterborne diseases.
- What are pathogenic microorganisms?
- What is hard water? Why is it sometimes undesirable?
- List two ways in which lakes and streams become polluted.
- Give chemical equations for the reaction of slaked lime with alum.
- Give a chemical equation for the reaction of carbonated rainwater with limestone.
- Write a chemical equation for the reaction that occurs when temporary hard water is boiled.
- Write a chemical equation for the interaction of Ca²⁺ ions with sodium zeolite.
- How can buildings made of limestone be affected by acid rain?
- Make a list of main methods of softening hard water. In each case, write an equation to summarize chemical reactions involved.
- List some disadvantages of water hardness.
- How does hard water differ from soft water?
- Write balanced chemical equation to show the effect of heat on magnesium hydrogen carbonate in an aqueous solution.
- Describe the water treatment process in municipal water supplies.
- ENVIRONMENTAL CHEMISTRY-WATER
- Explain the major sources of water pollution and their effects.