qualitative analysis Flashcards by lily plummer

Q

describe how to test for metal ions

A

fill test tube with sample
add aqueous ammonia or sodium hydroxide drop by drop
colour of precipitate indicates what ion is present

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Q

how to test for ammonia ions

A

add sodium hydroxide and warm gently
damp red litmus paper turns blue

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Q

why does lime water turn milky in presence of CO2

A

calcium carbonate precipitate is formed

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