SSC
CHEMISTRY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
When iron and sulfur combine to form iron sulfide, a ____ change takes place.
|
|
Physical
|
|
|
Chemical
|
|
|
Either A or B
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -When iron filings and sulphur powder are combined and heated, a chemical reaction occurs, resulting in ferrous sulphide (FeS). It’s a brand-new chemical with qualities that aren’t seen in Fe or S. As a result, heating a powdered iron and sulphur combination results in a chemical change.
Detailed explanation-2: -But in case of heating of iron and sulphur, a new product iron sulphide is formed. This new product iron sulphide have completely differ property from iron and sulphur, hence it is a chemical change.
There is 1 question to complete.