More About Salts
Chapter Name : Acids Bases And Salts |
Sub Topic Code : 102_10_02_05_03 |
Topic Name : More About Salts |
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Sub Topic Name : Chemicals From Common Salt |
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Introduction
How we obtain common salt and how we use it
Pre-Requisites:
common salt
Activity:
Check the backpacks of washing soda, baking powder etc
Real Life Question:
Common salt is only used in homes. Is it true? Discuss
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Washing Soda | Na2CO3.10H20 |
| Baking Soda | NaHCO3 |
| Bleaching powder | CaOCl2 |
| Common salt | NaCl |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Common salt | Pass current through brine solution. Observe the results. |
Real life uses :
These new compounds have wide applications
Places to visit :
Laundry
Practical examples around us
| Examples | Explainations |
|---|---|
| Washing soda | Used in washing |
| Baking soda | It is used in cooking |
What you learn in Theory:
What chemicals we obtain from common salt
What you learn in Practice:
Their uses and how we obtain them