CBSE Class 9 Answered
To prepare
A) Mixture. B). A compound
Using iron fillings and sulphur powder and distinguish between these on basis of
1) appearance
2) behavior toward magnet
3) effect of heat
Asked by ms646632 | 13 Jun, 2018, 01:48: PM
Expert Answer
Mixture is obtained when two or more compounds are mixed in any proportion which cab be separate by physical methods.
Compound- It is a substance which is composed of two or more substances that combined chemically in a fixed ratio.
A mixture of iron fillings and sulphur powder can be obtained by mixing it in a petridish.
When iron fillings and sulphur powder are mixed in china dish and heated, a compound of iron filling and sulphur is formed.
|
|
Mixture |
Compound |
|
Appearance |
Heterogeneous, as iron fillings in sulphur powder are visible. |
Homogeneous, as iron fillings in sulphur powder are not visible. A single black substance is formed. |
|
Behavior towards magnet |
Iron fillings cling to the magnet. |
No particle attaches to the magnet. |
|
Effect of Heat |
A black substance is formed. |
No change. |
Answered by Varsha | 13 Jun, 2018, 04:34: PM
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