Cambridge IGCSE Chemistry practice
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At a glance
MCQ
Type
cambridge_mcq
Style
Topic
Preparation of salts
Exam-style question
What is the first step in preparing a soluble salt using titration?.
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Method
To prepare sodium chloride from hydrochloric acid and sodium hydroxide, follow these steps: 1. Measure a specific volume of hydrochloric acid using a pipette. 2. Add a few drops of phenolphthalein indicator. 3. Titrate with sodium hydroxide until the solution turns pink, indicating neutralization. 4. Filter the solution to remove any unreacted sodium hydroxide. 5. Evaporate the filtrate to obtain sodium chloride crystals.
State Identify the independent variable in this method.
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