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

The characteristic properties of acids and bases — practice question

Which row gives the colours of litmus and methyl orange in acidic or alkaline solutions?

  • Aacid: litmus red, methyl orange red
  • Bacid: litmus blue, methyl orange yellow
  • Cbase: litmus blue, methyl orange red
  • Dbase: litmus red, methyl orange yellow

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