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Type: Multiple-Choice
Category: Acids and Bases
Level: Grade 7
Score: 8
Author: Michiko1999
Last Modified: 4 years ago

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Acids and Bases Question

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Grade 7 Acids and Bases

What is the most accurate way to see acidity or alkalinity?
  1. blue litmus paper
  2. red litmus paper
  3. universal litmus paper
  4. indicator
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