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Old 04-03-2005, 04:59 AM   #8 (permalink)
itch vaccine
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Quote:
Originally Posted by vinaur
Even if Mg in water yields MgO, it will then turn to Mg(OH)2, because a metal oxide in water yields a base (all of them do), so at the end you still have Mg(OH)2.
Oh yeah good point Vinaur

teacher said :
Cold water = slow reaction.. MgO forms

Hot water = fast reaction Mg(OH)2 forms

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