Expert Chemistry Tutoring

Q1 (1 mark) Define an acid.

Q2 (2 marks) Name the product formed when an acid reacts with a base.

Q3 (2 marks) Explain why sodium hydroxide is a strong base.

Q4 (3 marks) Write a balanced chemical equation for the reaction between hydrochloric acid and sodium hydroxide.

Q5 (2 marks) Describe the difference between a strong and a weak acid.

Q6 (3 marks) Calculate the pH of a solution with a hydroxide ion concentration of 0.001 M.

Q7 (2 marks) What color does universal indicator turn in an acidic solution?

Q8 (3 marks) Explain how the pH of a solution can be used to determine its strength.

Q9 (4 marks) A solution has a pH of 4. Calculate the concentration of hydronium ions (H3O+) in the solution.

Q10 (4 marks) Describe how an acid can be neutralized by a base.