O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2010 · Q191 Mark

Which property is common to calcium, potassium and sodium?

ATheir atoms all lose two electrons when they form ions.

BThey all form carbonates which are insoluble in water.

CThey are all less dense than water.

DThey are all metallic.

✓ Correct answer

D: They are all metallic.

Oracle Prep sorts past-paper questions by topic, so you can drill Metals & Reactivity and see which topics are most likely to come up next.

Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2010 Paper 1 Variant 1, question 19.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

From your knowledge of the manufacture of both aluminium and iron, what is the order of chemical reactivity of alumin…

Which pair of metals X and Y will produce the highest voltage when used as electrodes in a simple cell?

Which deduction about the element astatine, At, can be made from its position in Group VII?

The energy profile diagram for the reaction between hydrogen and chlorine is shown. What information about this react…

The following changes could be made to the conditions in the reaction between zinc and hydrochloric acid. 1 increase …

The equation shows what happens in a redox reaction between iron(II) chloride and chlorine gas. 2FeCl2 + Cl2 → 2FeCl3…