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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is carbonation in concrete?
💡 Hint: Think of the gas that reacts with concrete.
Question 2
Easy
What color does phenolphthalein turn in alkaline conditions?
💡 Hint: What color indicates a basic reaction?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What chemical process occurs when CO₂ interacts with concrete?
- Oxidation
- Carbonation
- Hydration
💡 Hint: Consider the name of the process.
Question 2
True or False: Carbonation increases the pH level of concrete.
- True
- False
💡 Hint: Think about whether carbonation is making something more or less alkaline.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Assess a theoretical concrete mix with high permeability. Describe how this would influence carbonation depth over 10 years and suggest mitigative measures.
💡 Hint: Consider permeability's role and how to enhance durability.
Question 2
Devise an experimental method to measure the rate of carbonation in two different concrete compositions. Discuss expected outcomes.
💡 Hint: Think about which factors will alter your experimental results.
Challenge and get performance evaluation