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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement:
Common salt is obtained from sea water by
विकल्प
distillation
crystallisation
evaporation
sublimation
उत्तर
evaporation
APPEARS IN
संबंधित प्रश्न
List three major impurities present in river water.
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Fill in the blank.
__________ is the chemical added to water to remove the tiny suspended particles.
Write True or False for the following statement.
Distillation is a good method for purifying water for town supply
Tick (√) the correct alternative from the choice given for the following statement:
Water is a
State whether the following statement is true or false. If false, write the correct statement.
Water from rivers and lakes is – potable water.
State whether the following statement is true or false. If false, write the correct statement.
Well water exists below the impervious rocky layers of earth.
The process of collecting and storing rain water is called _____.
