Divide the class into two groups. Give 50 g of iron filings and 3 g of sulphur powder in a china dish to both the groups. Group I Mix and crush iron filings and sulphur powder. Group II Mix and crush iron filings and sulphur powder. Heat this mixture strongly till red hot. Remove from flame and let the mixture cool. Group I and II Check for magnetism in the material obtained. Bring a magnet near the material and check if the material is attracted towards the magnet. Compare the texture and colour of the material obtained by the groups. Add carbon disulphide to one part of the material obtained. Stir well and filter. Add dilute sulphuric acid or dilute hydrochloric acid to the other part of the material obtained.(Note: teacher supervision is necessary for this activity).
Answers
Answer:
Divide the class into two groups. Give 50 g of iron filings and 3 g of sulphur powder in a china dish to both the groups. Group I Mix and crush iron filings and sulphur powder. Group II Mix and crush iron filings and sulphur powder. Heat this mixture strongly till red hot. Remove from flame and let the mixture cool. Group I and II Check for magnetism in the material obtained. Bring a magnet near the material and check if the material is attracted towards the magnet. Compare the texture and colour of the material obtained by the groups. Add carbon disulphide to one part of the material obtained. Stir well and filter. Add dilute sulphuric acid or dilute hydrochloric acid to the other part of the material obtained.(Note: teacher supervision is necessary for this activity).
Explanation:
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