Advertisements
Advertisements
प्रश्न
State what is potable water. Give its qualities or characteristics which make it fit for human consumption.
Advertisements
उत्तर
Potable water : “That water which is fit for human consumption and for drinking purposes.”
Characteristics of potable water:
- Water should be free from harmful bacteria, germs, suspended impurities and harmful salts.
- Should be clear, colourless and odourless.
- Should contain small amounts of dissolved gases and minerals for good taste.
- Should have dissolved air and salts of (Na, Ca, Mg) which impart taste to the water and are useful for metabolic functions of the human body.
APPEARS IN
संबंधित प्रश्न
Give balanced chemical equation for the reaction of water with Sodium oxide.
Give reason of Carbonated drinks are bottled under high pressure.
Which property of water enables it to modify the climate?
Give the importance of dissolved minerals & salts.
Complete the statement by filling the blank with the correct word from the option.
Kerosene & water form a _______ mixture.
Name or state the following:
A deliquescent salt of a trivalent metal.
If, at some place, it did not rain for a very long period of time, what would be its effect on the life of the people there?
Which state government made rain water harvesting mandatory in the year 2001?
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below
- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
Water changes to ice at ______.
