Question

9. Which is the correct colour sequence of iron filings, sulphur and iron sulphide?
(a) Greyish black, yellow, black
(b) Black, yellow, brown
(c) Brown, yellow, black
(d) Black, yellow, greyish black​

Answer 1

b is the right answer .....

Answer 2

Answer:

Ans is (a).

Explanation:

Iron filings - Grey

Sulphur - Yellow

Iron sulphide - black