Chemistry
State five tests for ammonia where a colour change is involved.
Ammonia
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Answer
Five tests for ammonia
Ammonia turns —
- Red litmus solution to blue.
- Methyl orange solution to yellow.
- Colourless phenolphthalein solution to pink.
- Pale blue precipitate of CuSO4 into deep blue coloured solution
- Colourless Nesseler's reagent to pale brown.
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