Chemistry 0620 · IGCSE · Oxides

Oxides — practice question

Phosphorus is an element in Group V of the Periodic Table. When it burns in air, it forms an oxide that dissolves in water to produce a solution with a pH of 1. Which row identifies this oxide of phosphorus?

  • Ametal oxide: yes; non-metal oxide: no; acidic oxide: yes; basic oxide: no
  • Bmetal oxide: yes; non-metal oxide: no; acidic oxide: no; basic oxide: yes
  • Cmetal oxide: no; non-metal oxide: yes; acidic oxide: yes; basic oxide: no
  • Dmetal oxide: no; non-metal oxide: yes; acidic oxide: no; basic oxide: yes

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