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

The characteristic properties of acids and bases — practice question

What property is exhibited by the alkali sodium hydroxide?

  • AIt has a pH less than pH $7$.
  • BIt produces a gas when it is warmed with ammonium chloride.
  • CIt turns blue litmus red.
  • DIt turns universal indicator green.

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