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प्रश्न
Match the following.
| Universal solvent | Water pollutant |
| Hard water | Kills germs |
| Boiling | Ozonisation |
| Sterilization | Water |
| Sewage | Stomach ailments |
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उत्तर
| Universal solvent |
Water |
| Hard water | Water pollutant |
| Boiling | Stomach ailments |
| Sterilization | Ozonisation |
| Sewage | Kills germs |
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संबंधित प्रश्न
Discuss the principle and method of softening of hard water by synthetic ion-exchange resins.
What are the causes for
Permanent hardness
Name the substance which makes water temporarily hard
Explain with equation, what is noticed when permanent hard water is treated with
Slaked time
How will you distinguish between temporary hard water and permanent hard water?
Using given sample of temporary and permanent hard water, soft water, ordinary soap, detergent and washing soda how would you remove temporary hardness and permanent hardness from water using a chemical compound?
Both temporary & permanent hardness in water can be removed by addition of washing soda. Give balanced equations for the same.
State what are synthetic detergents. Explain experimentally how you will determine the advantage of synthetic detergents over soap using a sample of hard water.
Name or state the following:
A substance added to remove both temporary and permanent hardness in water.
Which water is hard?
