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Which of the following processes NOT lead to a chemical change?

Chemistry
JAMB 1982
Which of the following processes NOT lead to a chemical change?
  • A. Strirring iron in sulphur (IV) acid
  • B. Stirring sodium carbonate in water
  • C. Stirring glucose in concentrated sulphur (IV) acid
  • D. Mixing sulphur (IV) acid with potassium carbonate
  • E. Titrating an acid against base
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Correct Answer: Option B
Explanation
Stirring Na2CO3 in water does not lead to a chemical change
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