Question
Which of the following is correct processes ?
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Practice questions from similar books
Question 1
Consider the following statements :Roasting is carried out to:
1. convert sulphide into oxide
2. melt the ore
3. remove moisture, water of hydration and expel organic matter
4. remove sulphur and arsenic in the form of volatile oxides
Out of these statements:
Question Text | Which of the following is correct processes ? |