CHEM134 C002 SPRING 2026 BEYOND
LABZ DIGITAL TITRATION OF ACIDS AND
BASES LAB SIMULATION EXAM WITH
CALCULATIONS, PRACTICAL
QUESTIONS, AND COMPLETE ANSWER
KEY
Beyond Labz Digital Titration of Acids and Bases Lab Simulation Exam
Instructions:
• Answer all questions.
• Show all calculations and include units.
• Use appropriate significant figures.
• Assume all solutions are prepared correctly unless otherwise stated.
• Total Marks: 100
• Time Allowed: 2 Hours
Part A: Multiple Choice Questions (20 Marks)
1. What is the main purpose of an acid-base titration?
A. To evaporate a solvent B. To determine the concentration of an unknown solution C. To
measure temperature changes D. To identify metals in solution
Correct Answer: B
2. Which indicator is commonly used in strong acid–strong base titrations?
A. Methyl orange B. Bromothymol blue C. Phenolphthalein D. Litmus paper
Correct Answer: C
, 3. At the equivalence point of a strong acid–strong base titration:
A. The pH is always below 7 B. The pH is always above 7 C. Moles of acid equal moles of
base D. The indicator becomes colorless
Correct Answer: C
4. Which laboratory apparatus delivers precise volumes during titration?
A. Beaker B. Graduated cylinder C. Pipette D. Burette
Correct Answer: D
5. Sodium hydroxide is classified as:
A. Strong acid B. Weak acid C. Strong base D. Neutral salt
Correct Answer: C
6. What color does phenolphthalein appear in basic solution?
A. Blue B. Pink C. Yellow D. Green
Correct Answer: B
7. A primary standard solution is:
A. Highly reactive B. Used only for cleaning glassware C. A solution of accurately known
concentration D. Always acidic
Correct Answer: C
8. The endpoint of a titration is detected by:
A. A pressure change B. A color change C. Formation of gas D. A mass increase
Correct Answer: B
LABZ DIGITAL TITRATION OF ACIDS AND
BASES LAB SIMULATION EXAM WITH
CALCULATIONS, PRACTICAL
QUESTIONS, AND COMPLETE ANSWER
KEY
Beyond Labz Digital Titration of Acids and Bases Lab Simulation Exam
Instructions:
• Answer all questions.
• Show all calculations and include units.
• Use appropriate significant figures.
• Assume all solutions are prepared correctly unless otherwise stated.
• Total Marks: 100
• Time Allowed: 2 Hours
Part A: Multiple Choice Questions (20 Marks)
1. What is the main purpose of an acid-base titration?
A. To evaporate a solvent B. To determine the concentration of an unknown solution C. To
measure temperature changes D. To identify metals in solution
Correct Answer: B
2. Which indicator is commonly used in strong acid–strong base titrations?
A. Methyl orange B. Bromothymol blue C. Phenolphthalein D. Litmus paper
Correct Answer: C
, 3. At the equivalence point of a strong acid–strong base titration:
A. The pH is always below 7 B. The pH is always above 7 C. Moles of acid equal moles of
base D. The indicator becomes colorless
Correct Answer: C
4. Which laboratory apparatus delivers precise volumes during titration?
A. Beaker B. Graduated cylinder C. Pipette D. Burette
Correct Answer: D
5. Sodium hydroxide is classified as:
A. Strong acid B. Weak acid C. Strong base D. Neutral salt
Correct Answer: C
6. What color does phenolphthalein appear in basic solution?
A. Blue B. Pink C. Yellow D. Green
Correct Answer: B
7. A primary standard solution is:
A. Highly reactive B. Used only for cleaning glassware C. A solution of accurately known
concentration D. Always acidic
Correct Answer: C
8. The endpoint of a titration is detected by:
A. A pressure change B. A color change C. Formation of gas D. A mass increase
Correct Answer: B
