Chemistry 0620 · IGCSE · Corrosion of metals

Corrosion of metals — practice question

Fig. 1.1 displays part of the Periodic Table. The symbols shown are: H, He, Li, Na, Ca, Fe, Zn, Au, Al, C, N, O, S, Br, I, Ne. Use only the symbols of the elements in Fig. 1.1 to answer the questions below. A symbol may be used once, reused, or not used at all.
(a)[1]

Give the symbol of the element used for food containers because it is resistant to corrosion.

(b)[1]

Give the symbol of the element that is a metal that does not react with water, dilute acids or oxygen.

(c)[1]

Give the symbol of the element that reacts with hydrogen in a fuel cell.

(d)[1]

Give the symbol of the element bonded to hydrogen in methane.

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