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Grades 6, 7 and 8 - Science - Middle School - Acids and Alkalis
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Avg score: 69% • Most missed: “Which of the following pH numbers indicates a strong acid?”

We use pH indicators to tell whether a substance is acidic, alkaline or neutral.
 

Grades 6, 7 and 8 - Science - Middle School - Acids and Alkalis
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10 Questions

1. What color is universal indicator in a neutral solution?
2. Strong acids and strong alkalis are.......
3. Which of the following pH numbers indicates a strong acid?
4. Which of the following acids do we have in our stomach?
5. Which of the following substances contain acid?
6. Which of the following pH numbers indicates a neutral substance?
7. What color is universal indicator in strong acid?
8. Which of the following pH numbers indicate a strong alkali?
9. Which of the following pH numbers indicates a neutral substance?
10. Which of the following acids do we have in our stomach?

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