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Grade 11 Acids, Bases & pH Worksheet with Answers
Grade 11 (US) · Year 12 (UK) · Class 11 (India) · Chemistry
Unit 3: ReactionsAcids, Bases & pHNGSS 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 11 · Chemistry
Name
Class
Date
Learning goal: Acids, Bases & pH · NGSS HS-PS1-6
Directions: Read each question carefully. Circle the correct choice or write your answer on the line.
Is soap acidic or basic?
Answer: basic
RememberThe pH scale
- 1
What do an acid and a base make when they neutralize?
- 2
Acids release which ion in water?
- 3
Bases release which ion in water?
- 4
A solution has pH 7. What is [H⁺]?
- 5
Is a pH of 11 acidic or basic?
AcidicBasic - 6
What color does litmus paper turn in an acid?
- 7
Is a pH of 3 acidic or basic?
AcidicBasic - 8
What color does litmus paper turn in a base?
- 9
A solution has [H⁺] = 1 × 10^-10 mol/L. What is its pH?
- 10
A solution has pH 9. Is it acidic, basic or neutral?
AcidicBasicNeutral - 11
A solution has pH 10. What is [H⁺]?
- 12
A solution has [H⁺] = 1 × 10^-8 mol/L. What is its pH?
★ Challenge corner for fast finishers
You are in a closed room with a candle, a match and a lamp. What do you light first?
How did I do?
Teacher's comments
Free printable worksheets with answer keys · aethelsystems.com/worksheets/chemistry/11/acids_bases
Answer key — Acids, Bases & pH (Grade 11)
- 1.a salt and water
- 2.hydrogen ions (H⁺)
- 3.hydroxide ions (OH⁻)
- 4.1 × 10^-7 mol/L
- 5.basic
- 6.red
- 7.acidic
- 8.blue
- 9.10
- 10.basic
- 11.1 × 10^-10 mol/L
- 12.8
- ★the match
Answer key (click to show)
- 1.a salt and water
- 2.hydrogen ions (H⁺)
- 3.hydroxide ions (OH⁻)
- 4.1 × 10^-7 mol/L
- 5.basic
- 6.red
- 7.acidic
- 8.blue
- 9.10
- 10.basic
- 11.1 × 10^-10 mol/L
- 12.8
- ★the match (challenge corner)
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