4g each of aluminium foil and aluminium powder were introduced respectively into flasks P and Q.
Flask P was treated with warm bench sodium hydroxide and all the aluminium dissolved in one hour. Flask Q was treated with cold sodium hydroxide and all the aluminium dissolved in 10 minutes. What was responsible for Q reacting faster than P?
- There were more aluminium atoms in Q than P
- The heat given off in retarded the reaction
- Q generated more pressure than P during the reaction
- P generated more pressure than Q
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Q has a greater surface area for the reaction than P
