Advertisements
Advertisements
प्रश्न
Answer in brief:
How is chemically pure water obtained in the laboratory?
उत्तर
Chemically pure water for laboratories is obtained-by distillation. Distilled water does not contain any salt or mineral.
APPEARS IN
संबंधित प्रश्न
Name:
Two underground sources of water.
Why are ice, liquid water, and steam considered to have the same chemical substance?
Define:
Sterilisation
What are the three methods of removing germs from natural water? Explain.
What is the taste of distilled water? Why is it not potable?
Explain the harvesting of water.
Fill in the blanks.
The elements present in the molecules of water are ______ and _____.
Tick (√) the correct alternative from the choice given for the following statement:
When the water vapour changes into tiny droplets of water near the ground, it is called
Explain the term water cycle. State the main points to show how water moves from the earth’s surface to the atmosphere and back to the earth’s surface as rain
Complete the given table
| Form of Water | The process by which formed | Location where found |
| (a) Liquid | ||
| (b) Solid | ||
| (c) Gaseous |
