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Grade 12 Acids, Bases & pH Worksheet with Answers
Grade 12 (US) · Year 13 (UK) · Class 12 (India) · Chemistry
Unit 3: Reactions & Equilibrium IdeasAcids & BasesNGSS HS-PS1-6
The pH scale, properties of acids and bases, neutralization and calculating pH. This free high school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.
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Practice Sheetaethelsystems.comAcids, Bases & pH
Grade 12 · Chemistry
Name
Class
Date
Learning goal: Acids & Bases · NGSS HS-PS1-6
Directions: Read each question carefully. Circle the correct choice or write your answer on the line.
Is a pH of 3 acidic or basic?
Answer: acidic
RememberThe pH scale
- 1
What color does litmus paper turn in an acid?
- 2
What do an acid and a base make when they neutralize?
- 3
A solution has [H⁺] = 1 × 10^-7 mol/L. What is its pH?
- 4
A solution has pH 13. Is it acidic, basic or neutral?
AcidicBasicNeutral - 5
A solution has pH 7. What is [H⁺]?
- 6
A solution has [H⁺] = 1 × 10^-8 mol/L. What is its pH?
- 7
A solution has pH 4. Is it acidic, basic or neutral?
AcidicBasicNeutral - 8
A solution has pH 2. What is [H⁺]?
- 9
A solution has [H⁺] = 1 × 10^-9 mol/L. What is its pH?
- 10
Acids release which ion in water?
- 11
A solution has [H⁺] = 1 × 10^-13 mol/L. What is its pH?
- 12
Is a pH of 11 acidic or basic?
AcidicBasic
★ Challenge corner for fast finishers
If Earth stopped spinning, how long would one day (sunrise to sunrise) be?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/chemistry/12/acids_bases
Answer key — Acids, Bases & pH (Grade 12)
- 1.red
- 2.a salt and water
- 3.7
- 4.basic
- 5.1 × 10^-7 mol/L
- 6.8
- 7.acidic
- 8.1 × 10^-2 mol/L
- 9.9
- 10.hydrogen ions (H⁺)
- 11.13
- 12.basic
- ★about one year
Answer key (click to show)
- 1.red
- 2.a salt and water
- 3.7
- 4.basic
- 5.1 × 10^-7 mol/L
- 6.8
- 7.acidic
- 8.1 × 10^-2 mol/L
- 9.9
- 10.hydrogen ions (H⁺)
- 11.13
- 12.basic
- ★about one year (challenge corner)
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