Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Preparing Salts, Exercise 2: Exercise 2
Aiden Gill Science Solutions for Exercise - Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Preparing Salts, Exercise 2: Exercise 2
Attempt the practice questions on Chapter 6: Preparing Salts, Exercise 2: Exercise 2 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 9: Workbook solutions are prepared by Experienced Embibe Experts.
Questions from Aiden Gill, Heidi Foxford and, Dorothy Warren Solutions for Chapter: Preparing Salts, Exercise 2: Exercise 2 with Hints & Solutions
Which word equation describes the reaction between acid and a carbonate?
Describe how pH changes as sodium carbonate are added to some sulphuric acid.
At the start of the reaction, the pH is _____ because there is only sulphuric acid in the beaker. When all sulphuric acid has reacted, th pH is ____ because the ____ and water are neutral. If more sodium carbonate is added the pH will _____ until it reaches 10 or 11.
What would you expect the pH of copper chloride solution to be? Give a reason for your answer.
Hassan was making potassium sulphate by adding potassium carbonate powder to some sulphuric acid. During the final stages of reaction, the potassium carbonate did not fizz when it was added. When Hassan measured the pH he found it was 10.5.
Explain his result.
