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Subject: Science, asked on on 23/6/13

 iron powder and sulphur powder were mixed together and divided into two parts A and B.When part A was heated strongly over a burner,then a substance C was formed.Then part B was not heated at all.When dilute HCl was added to substance C,then gas D was evolved and when dilute HCl was added to part B then gas E was evolved 


1)what type of substance is B?

2)what type of substance is C?

3)name the gas D and E?

4)state one characterstic property of gas D?

5)write one test to identify gas E?


PLEASE PLEASE ANSWER FAST,....IMPORTANT ....AND URGENT TOO

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Subject: Science, asked on on 28/4/13
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