Chemical Properties Of Metals And Non-Metals
Chapter Name : Materials: Metals And Non-Metals |
Sub Topic Code : 102_08_04_03_01 |
Topic Name : Chemical Properties Of Metals And Non-Metals |
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Sub Topic Name : Chemical Properties Of Metals |
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Introduction
Uses and importance of chemical properties of metals.
Pre-Requisites:
Basic knowledge on chemical properties of metals.
Activity:
When metal is added to dilute HCl, take a lighted match strip and place where the gas is produced, observe a pop sound.
Real Life Question:
What is the rust formed on iron nail kept in free air?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Metal | An element which is a good conductor of heat and electricity is called as a metal |
| Non metal | An element which is not a good conductor of heat and electricity is called as a non metal |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Reactions chart | List out all reactions of metals with water, oxygen and acids |
Real life uses :
Production of H2 gas.
Practical examples around us
| Examples | Explainations |
|---|---|
| A pop sound when a matchstick is placed at the gas produced when metal is added to acid | This is because metals react with acids to produce H2 gas, which produces a pop sound. |
What you learn in Theory:
Chemical properties of metals.
What you learn in Practice:
Importance of reactions of metals with oxygen, acid, water. The effect to the litmus paper by bases and acids.