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Seventh Grade (Grade 7) Acids and Bases Questions

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Grade 7 Acids and Bases
Grade 7 Acids and Bases
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
Grade 7 Acids and Bases
A substance with a pH of 2 is a                .
  1. strong acid
  2. weak acid
  3. strong base
  4. weak base
Grade 7 Acids and Bases
Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Bleach is a
  1. weak acid.
  2. weak base.
  3. strong acid.
  4. strong base.
Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Saliva is a
  1. weak acid.
  2. weak base.
  3. strong acid.
  4. strong base.
Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Toothpaste is a
  1. weak acid.
  2. weak base.
  3. strong acid.
  4. strong base.
Grade 7 Acids and Bases
Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Grade 7 Acids and Bases

This question is a part of a group with common instructions. View group »

Grade 7 Acids and Bases
Grade 7 Acids and Bases
Grade 7 Acids and Bases
What happens to a phenolphthalein solution containing NaOH over time we exhale air into the solution?
  1. It remains the same.
  2. It turns pink.
  3. It becomes milky.
  4. It becomes odorless.
  5. It becomes colorless.
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