Important Salts in Daily Life
Important Questions on Important Salts in Daily Life
What are salts?
Make a list of substances in day to day use in accordance with their value (1 to 14).
How is it determined whether a substance is acidic, basic or neutral?
What is the strip shown below? What is it used for?
What are the constituents of baking powder? Where is the baking powder used?
Which chemicals and apparatus will you use in the laboratory for making soap?
What are detergents?
The chemical name of baking soda is _____.
Write briefly about the three methods of electrolysis of sodium chloride.
Give scientific explanation:
The hard water of a well becomes soft on adding washing soda to it.
Write the chemical formula of Bleaching powder, common salt, baking soda, washing soda.
What is meant by water of crystallization? Give examples of salts with water of crystallization, and their uses.
Give scientific explanation
Soap forms a precipitate in hard water.
Give scientific explanation:
Bleaching powder has the odour of chlorine.
Write down properties of teflon.
Match the pairs:
| Group A | Group B |
| 1. Saturated brine | a. molten sodium chloride |
| 2. Fused salt | b. Basic salt |
| 3. | c. crystallization of salt |
| 4. | d. oxidation of substances |
