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1992 WAEC Chemistry Theory (a) State the main ore of tin. (b) Write an equation for the reaction involved...

Chemistry
WAEC 1992

(a) State the main ore of tin.

(b) Write an equation for the reaction involved in the smelting of purified tin ore

(c) List two alloys of tin

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Explanation

(a) The main ore of tin is cassiterite or tin stone, (SnO\(_2\))

(b) SnO\(_{(s)}\) + 2C\(_{(s)}\) \(\to\) Sn\(_{(l)}\) + 2CO\(_{(g)}\)

(c) Bronze (Cu and Sn); Soldier (Pb and Sn)


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