Some Important Compounds Of Sodium
Chapter Name : The S- Block Elements |
Sub Topic Code : 102_11_10_05_03 |
Topic Name : Some Important Compounds Of Sodium |
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Sub Topic Name : Sodium Hydroxide |
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Introduction
• Sodium hydrogencarbonate is known as baking soda because it decomposes on heating to generate bubbles of carbon dioxide (leaving holes in cakes or pastries and making them light and fluffy). Sodium hydrogencarbonate is a mild antiseptic for skin infections. It is used in fire extinguishers.
Pre-Requisites:
Atom, compound, element,
Activity:
Sodium bicarbonate is also used as an antiseptic for minor skin infections.
Real Life Question:
What is sodium bicarbonate used for?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Alkali metals | Group 1 elements. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Box of baking soda | Put a box of baking soda in the refrigerator to neutralize odors. |
Real life uses :
Sodium bicarbonate is used for baking, mild antiseptic for skin infections.
Places to visit :
Kitchen.
Practical examples around us
| Examples | Explainations |
|---|---|
| Baking soda | Baking soda is used for baking. |
What you learn in Theory:
• Sodium hydrogencarbonate is known as baking soda because it decomposes on heating to generate bubbles of carbon dioxide (leaving holes in cakes or pastries and making them light and fluffy). Sodium hydrogencarbonate is a mild antiseptic for skin infections. It is used in fire extinguishers.
What you learn in Practice:
Sodium bicarbonate is used to baking, mild antiseptic for skin infections.