Advertisements
Advertisements
प्रश्न
Differentiate between the following:
Natural water and treated water
Advertisements
उत्तर
Natural water and treated water :
- Natural water: Water obtained in nature, river water, lake water, seawater, snow, rainwater.
- Treated water: Water which has received some form of treatment – ice, mineral water, distilled water, water in the swimming pool.
APPEARS IN
संबंधित प्रश्न
Give balanced chemical equation for the reaction of water with Iron .
Give one word for the following statement:
The harmful substances dissolved in water .
What are its causes and how can water pollution be controlled ?
Water exists in all three states. Discuss.
Explain why:
Rain water does not leave behind concentric rings when boiled.
State any two sources of water pollution.
What is the source of water in the following?
Wells
Why should we not throw cooking oil and fats down the drain?
Match the items of Column I with the items of Column II with reference to sewage.
| Column I | Column II | ||
| (a) | Inorganic impurities | (i) | phosphorus and nitrogen |
| (b) | Organic impurities | (ii) | nitrates and phosphates |
| (c) | Nutrients | (iii) | cholera and typhoid |
| (d) | Bacteria | (iv) | pesticides and herbicides |
Look at the figure.

Write down activities shown in this figure in which water is being used.
