JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

Roasted tin stone ore after washing with water is known as [Manipal 2008]

(A)Block tin
(B)White tin
(C)Black tinCorrect
(D)Granulated tin

Answer: (C)

Solution

After roasting cassiterite (tin stone) to remove sulphide/arsenic impurities and washing with water, the purified ore residue is called "black tin." "White

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Question ID VK-138302