Advertisements
Advertisements
प्रश्न
What is soap? For what is it used?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Give reason for Table salt becomes moist during rainy season.
What do you mean by solubility of a solute in a solvent ?
'Water is the universal solvent'. Comment.
Why does the hardness of water render it unfit for use in a washing purposes.
Give a reason why water is called a ‘universal solvent’ but, an alkali is not.
Give a reason why boiled water tastes flat.
Select the correct answer of the following statement:
The medium of dissolution which allows the solute to dissolve in it.
Aquatic plants make use of dissolved ______ for photosynthesis.
Explain the importance of dissolved salts in water.
Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her.
| Alum | tub | muslin cloth | gas stove | thread | pan and lid |
