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Test
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Play Movie
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Observations
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1a) To a portion of solution S,
add aqueous sodium hydroxide until a change is seen.
b) Add excess aqueous sodium hydroxide
to the mixture from (a).
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1a)
1b)
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2a) To a portion of solution S,
add aqueous ammonia until a change is seen.
b) Add excess aqueous ammonia to the
mixture from (a).
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2a)
2b)
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3a) To a portion of solution S,
add an equal volume of aqueous Barium nitrate and leave
to stand fora few minutes.
b) Add dilute nitric acid to the mixture
in (a).
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3a)
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4) To a portion of S in a boiling tube, slowly add
an equal volume of aqueous sodium chlorate(I).Warm the mixture
from (a) gently. Allow the mixture to cool and use it for
Test 5.
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4)
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5) To the mixture in Test 4, add an
equal volume of aqueous hydrogen peroxide.
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5)
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