Jayanth and his friends visit the chemical laboratory in their school to know the difference between elements and compounds. They asked the lab assistant about the same. The lab assistant did not respond to them directly, instead told them to do an experiment. They were divided into two groups, A and B. Both the groups were told to take 5g of iron filings and 3g of Sulphur powder in a china dish. Group A has to mix and crush the iron filings and Sulphur. Group B has do the same and then heat the china dish till the mixture becomes red hot and then remove from flame to let it cool to give a greyish black substance, Iron sulphide.
(a) Which among the following is true for the powder obtained by the Group A
B. Which among the following is true for the greyish black substance obtained by the Group B
c Write down the difference between material obtained by Group A and Group B based on
their properties.
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it is way too big to answer
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