Maharashtra BoardEnglish MediumSTD 10Science[ Question Bank ] - 20222 Marks
Question
Explain concept with example/explain with the help of a balanced equation. Roasting
✓
Answer
1. The process of heating of sulphide ores strongly in excess of air to convert it into respective oxide is called roasting. 2. For example, zinc sulphide is heated strongly in excess of air to convert it to zinc oxide. $ \underset{\text { Zinc sulphide }}{2 ZnS _{( s )}}+3 O _{2( g )} \longrightarrow \underset{\text { Zinc oxide }}{2 ZnO _{( s )}}+\underset{\text { Sulphur dioxide }}{2 SO _2 \uparrow} $
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.