Chemical test for positive ions

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Created by

Daisy Brannan

Cards (5)

What is a flame test?
holding a hydrochloride acid dipped metal ion over a flame and seeing what colour the flame goes
Lithium goes crimson, sodium goes yellow, potassium goes lilac, calcium goes orangish-red and copper goes green
What is a precipitate?
an insoluble solid formed by a reaction taking place in a solution
Calcium chloride + sodium hydroxide ➡️ calcium hydroxide + sodium chloride
How are aluminium ions distinguished from calcium & magnesium ions in a reaction with sodium hydroxide?
aluminium dissolves

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Chemical test for positive ions

Cards (5)

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