16. Iron powder and suphur powder were mixed together and divided into two partsAand B. When part A was hThe part B was,substance C, then gas D was evolved and when dilute hydrochloric acid was added topart B then gas E was evolved.eated strongly over a burner, then a substance C was formed.however, not heated at all. When dilute hydrochloric acid was added to(a) What type of substance is B?(b) What type of substance is C?(c) Name the gas () D, and (i) E?(d) State one characteristic property of gas D.

16. Iron powder and suphur powder were mixed together and divided into

1.	16. Iron powder and suphur powder were mixed together and divided into two partsAand B. When part A was hThe part B was,substance C, then gas D was evolved and when dilute hydrochloric acid was added topart B then gas E was evolved.eated strongly over a burner, then a substance C was formed.however, not heated at all. When dilute hydrochloric acid was added to(a) What type of substance is B?(b) What type of substance is C?(c) Name the gas () D, and (i) E?(d) State one characteristic property of gas D.
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