3. (a) A flame test is used to identify some metal ions in salts - Edexcel - GCSE Chemistry - Question 3 - 2014 - Paper 1
Question 3
3. (a) A flame test is used to identify some metal ions in salts.
A flame test was carried out on a salt.
The flame colour was orange-red.
Complete the sen... show full transcript
Worked Solution & Example Answer:3. (a) A flame test is used to identify some metal ions in salts - Edexcel - GCSE Chemistry - Question 3 - 2014 - Paper 1
Step 1
Complete the sentence by putting a cross (✗) in the box next to your answer.
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Answer
The metal ion in the salt was D - calcium. This is because the flame test for calcium produces an orange-red flame.
Step 2
Draw one straight line from each metal ion to the colour of the precipitate formed when it reacts with sodium hydroxide solution.
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