Question

Q3. Take 10 gram each of iron filings and sulphur in a china dish. State which activity gives a compound,
(a) Separate iron filings with the help of a magnet
(b) Add carbon disulphide, stir well and filter
(c) Mix and crush the mixture
(d) Heat strongly till red hot while mixing
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Answer 1

Answer:

option d is correct.

heat strongly till red hot while mixing.

Answer 2

On taking, 10 grams of iron fillings and sulphur, and heating them upto a high temperature, we get Ferrous sulphide. So option (d) is the correct choice.

* Separating the iron fillings from with a magnet will not give any compound, rather it will separate the two components.

* When iron and sulphur are reacted at a high temperature, iron loses two electrons to sulphur which leads to the formation of ferrous sulphide, a compound.