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Eklavya School, Ahmedabad

Activity Sheet

Activity:  To separate iodine and common salt by sublimation Date: Name / Signature Class: 7
You will need Iodine / Ammonium chloride, common salt china dish, tripod stand, wire gauge, funnel, burner, cotton
What you need to do

1. Take a teaspoonful of a mixture of iodine and common salt in a china dish

2.Keep this over a tripod stand.

3.Cover the china dish with an inverted funnel and plug the opening in the funnel with cotton.

4.Heat the dish till iodine vapours from the mixture begin to evolve.

5.Stop heating and let it cool

Q. What do you observe on the funnel and in the dish?

 

What the child learns  

 

 

Remarks  

 

 

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