Tests are carried out to identify the ions in two solids, P and Q - Edexcel - GCSE Chemistry - Question 4 - 2020 - Paper 1
Question 4
Tests are carried out to identify the ions in two solids, P and Q.
(a) A flame test is used to identify the metal ions in each of these solids.
(i) Describe how to... show full transcript
Worked Solution & Example Answer:Tests are carried out to identify the ions in two solids, P and Q - Edexcel - GCSE Chemistry - Question 4 - 2020 - Paper 1
Step 1
Describe how to do a flame test.
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Answer
To perform a flame test:
Take a clean, metal wire loop.
Dip the wire into the solid sample to be tested, ensuring it picks up a small amount of the substance.
Hold the wire in the Bunsen flame.
Observe the color of the flame and record the observation.
Step 2
Different metal ions produce different coloured flames.
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