Acids, Bases and pH (OCR A-Level Chemistry A): Quizzes

📚Quizzes
Revision NotesModel AnswersQuizzesFlashcardsExam Questions
The pH Scale and Strong Acids
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

Who developed the pH scale over 100 years ago?

Søren Sørensen

What does a pH value less than 7 indicate?

Acidic solution

A change of 1 pH unit represents what change in [H+][H^+]?

10-fold change

What is the equation for pH?

pH=−log⁡[H+]pH = -\log[H^+]

How does high [H+][H^+] relate to pH?

High [H+][H^+] = low pH

Solution with pH 1 has how many times more H+H^+ than pH 4?

1000 times

For strong monobasic acids, what is true?

[H+]=[HA][H^+] = [HA]

Halving acid concentration changes pH by approximately how many units?

0.30 units

What is pH of solution with [H+]=1.0×10−3[H^+] = 1.0 \times 10^{-3} mol dm⁻³?

3.00

How many significant figures does pH 2.66 have?

2 significant figures

Explore OCR A-Level Chemistry A Revision Notes by Topics

Rates of Reactions

Equilibrium

Acids, Bases and pH

Buffers and Neutralisation

Enthalpy and Entropy

Redox and Electrode Potentials

Transition Elements

Explore OCR A-Level Chemistry A Model Answers by Topics

Rates of Reactions

Equilibrium

Acids, Bases and pH

Buffers and Neutralisation

Enthalpy and Entropy

Redox and Electrode Potentials

Transition Elements

Explore OCR A-Level Chemistry A Flashcards by Topics

Rates of Reactions

Equilibrium

Acids, Bases and pH

Buffers and Neutralisation

Enthalpy and Entropy

Redox and Electrode Potentials

Transition Elements

Explore OCR A-Level Chemistry A Exam Questions by Topics

Rates of Reactions

Equilibrium

Acids, Bases and pH

Buffers and Neutralisation

Enthalpy and Entropy

Redox and Electrode Potentials

Transition Elements

Join 100,000+ A-Level students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.