2 (a) (i) Describe how you would make a solution of sodium chloride from sodium chloride crystals and distilled water - Edexcel - GCSE Chemistry - Question 2 - 2016 - Paper 1
Question 2
2 (a) (i) Describe how you would make a solution of sodium chloride from sodium chloride crystals and distilled water.
(ii) A test for chloride ions is carried out ... show full transcript
Worked Solution & Example Answer:2 (a) (i) Describe how you would make a solution of sodium chloride from sodium chloride crystals and distilled water - Edexcel - GCSE Chemistry - Question 2 - 2016 - Paper 1
Step 1
Describe how you would make a solution of sodium chloride from sodium chloride crystals and distilled water.
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Answer
To prepare a solution of sodium chloride, begin by adding sodium chloride crystals to distilled water. Make sure to use a suitable container such as a test tube or a beaker. Stir the mixture thoroughly to ensure the sodium chloride dissolves completely.
Step 2
Identify the three tests for chloride ions and place them in the order they occur in the test.
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Answer
P: Add silver nitrate solution to the solution.
Q: A white precipitate forms.
R: Add dilute nitric acid to the solution.
Step 3
Choose the formula of sodium hydroxide.
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Answer
C NaOH
Step 4
Complete the sentence about ammonia gas.
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Answer
B alkaline
Step 5
Give the name of the solid.
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