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1.
The mnemonic to remember the first five reactivity series of metals from the highest to the lowest, i.e. K (Kill), Na (Nasty), Ca (Californian), Mg (Mangoes), Al (Always)
Teacher: Can you tell me the first five reactivity series in Chemistry starting from the top?

Student: Kill Nasty Californian Mangoes Always!
av Umpteen 7. august 2012