A technician had two bottles, each containing a solid. The labels had fallen off the bottles. The two labels were: sodium sulfate potassium chloride The technician carried out the following tests. (i) A flame test was carried out on each solid. One solid produced a yellow colour in the Bunsen flame. Give the name of the ion that produces this yellow colour. (ii) A description including two points from CLEAN (1) SAMPLE (2) TEST (3)

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A technician had two bottles, each containing a solid - Edexcel - GCSE Chemistry - Question 2 - 2013 - Paper 1

Question 2

A technician had two bottles, each containing a solid. The labels had fallen off the bottles. The two labels were: sodium sulfate potassium chloride The technician... show full transcript

Worked Solution & Example Answer:A technician had two bottles, each containing a solid - Edexcel - GCSE Chemistry - Question 2 - 2013 - Paper 1

Step 1

Give the name of the ion that produces this yellow colour.

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Answer

The ion that produces a yellow colour in the Bunsen flame is sodium.

Step 2

A description including two points from CLEAN.

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Answer

Clean the flame test wire with hydrochloric acid.
Moisten the splint.

Step 3

SAMPLE

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Answer

Put the (wire) into the solid.

Step 4

TEST

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Answer

Hold the (wire) in the Bunsen flame.

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A technician had two bottles, each containing a solid - Edexcel - GCSE Chemistry - Question 2 - 2013 - Paper 1

Worked Solution & Example Answer:A technician had two bottles, each containing a solid - Edexcel - GCSE Chemistry - Question 2 - 2013 - Paper 1

Give the name of the ion that produces this yellow colour.

A description including two points from CLEAN.

SAMPLE

TEST

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