Advertisements
Advertisements
प्रश्न
Fill in the blank:
Unpolluted water has _____ amount of dissolved oxygen.
Advertisements
उत्तर
Unpolluted water has high amount of dissolved oxygen.
APPEARS IN
संबंधित प्रश्न
Give balanced chemical equation for the reaction of water with Iron .
Explain how the peculiar variation of density of water with temperature can protect marine-life.
Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
Why is it said that seawater is useful even though it is not potable?
Name the solute, solvent & solution in the statement – ‘sodium chloride dissolves in water to give sodium chloride solution’. Define each of the terms in italics.
Select the correct answer of the following statement:
A decahydrate crystal.
Explain any two environmental impacts of an ‘oil spill’.
Name or state the following:
A deliquescent salt of a trivalent metal.
Which are the three states of water?
What is needed to construct a rain water harvesting pit?
