Question

The class teacher divides the class into two groups

and asks them to perform the following activities.


Group-I: Mix and crush iron fillings and sulphur


powder.


Group-II: Mix and crush iron fillings and sulphur


powder and heat the mixture strongly till red hot.


(i) Name the material obtained by group I and


write its one characteristic. [1]


(ii) What happens when dilute sulphuric


acid is added to the material obtained


by group II? [1]


(iii) Name the gas obtained on adding dilute


hydrochloric acid to the material obtained by


group I and write its one characteristic.
plz answer

Answer 1

Answer:

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