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
Mark ‘T’ if the statement is true and ‘F’ if it is false:
Water from rivers is the only source for irrigation in the fields. (T/F)
Fill in the blanks with the appropriate answers:
Three forms of water are ________, ________ and ________.
Name:
Three major sources of natural water
Answer the following questions in short:
Which source of water contains the highest concentration of salt in it?
What is the taste of distilled water? Why is it not potable?
Fill in the blank.
Boiling kills most of the ______ in the water.
Tick (√) the correct alternative from the choice given for the following statement:
The purest form of natural water is
Tick (√) the correct alternative from the choice given for the following statement:
Common salt is obtained from sea water by
Write a note about the following.
The water cycle
Give two examples.
Weather-related events