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science

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the list below shows three ways in which metals can react.
a) strongly heat the metal in the air.
b)add small pieces of the metal to cold water.
c)add small pieces of the metal to dilute acid.

in each case choose a b or c
calcium oxide
hydrogen (using zinc)
magnesium chloride
sodium hydroxide

  • science -

    urgent

  • science -

    please help

  • science -

    does noone know

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