A student has mixed iron fillings and sulphur powder what are the observations he can note when a) when the magnet is brought near the mixture b) when carbon disulphide is poured into it c) when hydrochloric acid poured into it also write the observations in the mixture is heated
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(a) when mixtures are brought near a magnet, or vice versa then the magnetic material in it gets attracted towards the magnet! therefore, the iron filings get attracted!
(b) then the new chemical compound formed is ferous disulphite bcoz only the metallic substance reacts here and forms new compound! the carbon remains in the same undisturbed form during the reaction!
(c) when an hydrochloric acid is added, it forms and releases hydrogen gas ( in a spark).
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