An experiment test of the Law of conservation of Mass is illustrated in the diagram….

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Chemistry JAMB 1978

An experiment test of the Law of conservation of Mass is illustrated in the diagram. In practice, the flask is weighed before and after reaction between solutions X and Y. Which of the following pairs of solutions will be unsuitable for the experiments

  • X = hydrochloric acid; Y = silver nitrate
  • X = barium chloride; Y = dilute sulphuric acid
  • X = hydrochloric acid; Y = sodium hydroxide
  • X = hydrochloric acid; Y = lead nitrate
  • X = hydrochloric acid; Y = sodium carbonate checkmark

The correct answer is: E

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