16 questions in Metals and reactivity at Form 5 · BGCSE
Most triedMost missedNewest- Which metal is most reactive?
- Rusting of iron needs…
- Galvanising protects iron by coating it with…
- Which metals are mined in Botswana?
- Iron is extracted from its ore in a blast furnace by reduction with…
- Magnesium, copper and zinc are placed in dilute hydrochloric acid.
- In an experiment, metals Q, R, T and Z are reacted with aqueous nitrates of the metals (results in the table). Each of the metals has the same number…
- Metals are extracted from their ores by chemical reduction.
- The reduction of Fe₂O₃ by carbon monoxide, CO, forms iron: …Fe₂O₃… + …CO… → …Fe… + …CO₂…
- Iron, like other metals, can become more useful when converted to alloys.
- In an experiment chromium, cobalt, copper and magnesium were each reacted with the aqueous nitrates of each metal. The results are shown in the table.
- The elements listed are in order of decreasing reactivity: lithium, calcium, carbon, zinc, iron, hydrogen, copper, silver. Which element(s) …
- A student is provided with aqueous solutions of four metal sulphates. Each metal rod is dipped in turn into each of the four metal sulphate solutions…
- Bronze, an alloy of copper, is used to make ornaments some of which corrode when exposed to air for a long time. The table gives information about so…
- Study the reaction scheme: aqueous CuSO₄ reacts with metal X to give iron(II) sulphate and brown solid Z; with solution Y it gives copper(II) hydroxi…
- The diagram shows the electrolytic cell used for the extraction of aluminium from molten alumina. The molten alumina is electrolysed for 2 hours usin…