chemistry

• what is a base?

  a substance with a pH greater than 7
• what acids are strong?

  sulfuric

  hydrochloric

  nitric
• if an acid is strong what does it do in water?

  ionise completely

  all acid particles disassociate to release H+ ions
• name weak acids

  citric

  carbonic
• what do weak acids do in water?

  dont fully ionise

  only small proportion release H+
• what is the most reactive metals?


  potassium
• what are the least reactive metals?


  copper
• what does how metals react with acids tell you?

  Reactivity
• metals also react with

  water