6.3.1.5 - Basic/Alkaline (pH > 7)
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Practice Questions
Test your understanding with targeted questions
What is the pH range for basic solutions?
💡 Hint: Think about how many ranges exist in the pH scale.
Give one example of a common basic substance.
💡 Hint: Consider what household items are used for baking.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What pH value indicates a basic solution?
💡 Hint: Consider the extreme ends of the pH scale.
Hydroxide ions are found in higher concentrations in which type of solution?
💡 Hint: Remember what makes a solution basic.
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Challenge Problems
Push your limits with advanced challenges
A stream initially has a pH of 6.5. If it gets fresh runoff that has a pH of 8, what changes might occur in the stream's ecosystem if no other factors change?
💡 Hint: Consider how species thrive in specific pH environments and what the new conditions would mean for them.
Describe a possible experiment to test the effects of different pH levels on plant growth.
💡 Hint: Think about what you’d control and what variables you’d change.
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