Chemistry 5070 · O Level · Physical and chemical changes

Physical and chemical changes — practice question

Look at the three reactions below. $1$ reaction of ammonium chloride with calcium hydroxide $2$ ethane combusting in air $3$ the reaction of ethanoic acid with ethanol Which statement is true for all three reactions?

  • ACarbon dioxide is formed.
  • BNeutralisation takes place.
  • COxidation takes place.
  • DWater is formed.

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