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Rain water is considered the purest form of natural water. Explain the statement.
why are clouds black in colour when rains
HOW IS WATER USEFUL TO ALL LIVING THINGS?
why is a deep well more pure than a shallow well??
What is water cycle.
Name the gases which disolove in rain water before it reaches the ground. Whatharm can be caused by these gases.
What is the difference between Dug wells and Tube wells?
Pesence of dissolved impurities in natural water
Can we drink water treated with chlorine tablets?
how come water is a bad conducter of heat and electricity?
what is polution
how is sea water made potable?
Water is called a compound. Justify this statement .
state wheather energy is absorbed or released during vaporisation of water?
why is dead sea called so
explain the significance of the water cycle
How water can be purified by using continuous water still.
what is transpiration & condensation
what is HG ?
briefly explain water cycle
what is the significance of the water cycle
BRIEFLY EXPLAIN THE WATER CYCLE
What is the most abundent compound on earth? write its formula.
What is the source of ground water?
Is water lost when it is used?
HOW WILL PREPARE A SATURATED SOULATION
How does acid rain occur?
how is sea water made potable
whey water is necessary ?
Describe an experiment to prove that plants give out a large amount of water vapour.
What is anamoulus expansion?
HOW CAN YOU SAY THAT WATER IS THE UNIVERSAL SOLVENT?
why is the sea salty ?
who found the formule H2O FOR WATER ?????
what is laden
why is water essential for all living beings?
how is the amount of water on the earth is maintained?
Why is water regarded as universal slovent.
WHAT ARE THE FACTORS THAT INCREASE THE SPEED OF A SUBSTANCE'S SOLUBILITY?
Since sunlight falls on all the water bodies such as oceans, seas, lakes, ponds, and rivers, water is being continuously converted to water vapor. Where does all this water vapor go? Does it disappear forever?
it is said oxygen is more soluble in water then why don't it catches fire as oxygen is s0urce of combustion ?????
what adds taste to water
what are the molucules present in water??????????
WHO DESCORSD LIQUID OXYGEN?
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