Chemistry 0620 · IGCSE · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

Four distinct solutions are tested separately using blue litmus and methyl orange. It is already known that each solution is either acidic or alkaline. The results are given. Which statement is correct?

  • ASolutions 1 and 4 are acidic.
  • BSolutions 1 and 2 are alkaline.
  • CSolutions 3 and 4 are alkaline.
  • DSolutions 3 and 4 are acidic.

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