Question

Iron fillings and Sulphur are mixed together and divided into two parts, A and B. Part A is heated strongly and part B is not heated. What do you observe when?
a) Magnet is brought near the parts A and B separately?
b) Dilute hydrochloric acid is added to both A and B?

Answer 1

Answer:

Fe(s)+S(s)

→

Heat

FeS(s)

FeS+2HCl(aq)→FeCl

2

+H

2

S

Part B

Fe(s)+S(s)→ Mixture of iron filings and sulphur

When dilute HCl is added to it.

Fe(s)+S(s)+2HCl(aq)→FeCl

2

+H

2

+ S

Sulphur remains unreacted. H

2

S gas formed has a foul smell and on passing through lead acetate solution, it turns the solution black. Hydrogen gas burns with a pop sound

Answer 2

Answer:

Hi friend .

Explanation:

A) Part A will not be attracted and part B will be attracted

b) Part A will release hydrogen sulphide gas and in part B you will se sulphur floating on HCL