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प्रश्न
What is soap? For what is it used?
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उत्तर
Soap is chemically a sodium salt of stearic acid (an organic acid with the formula C17H35COOH) and has the formula C17H35COONa.
Soap is used for washing purposes.
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संबंधित प्रश्न
Why is sea water salty ?
Discuss the importance of water as a solvent for plants.
Explain the term:
Solute
Explain the terms:
Solvent
In which of the following substances will there be
Increase in mass
Why does the hardness of water render it unfit for use in a washing purposes.
State why ‘Water is considered a universal solvent’. Give the reason for the same.
Explain the importance of dissolved salts in water.
Take two pots with similar plants. Water one of the plants with tap water and the other with seawater. Record your findings and note the difference observed.
State whether the following statement is true or false.
Water can be separated from salt by evaporation.
