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#6. Acids and Bases: Outcome A2B

Last updated 10 months ago
9 questions
1

An unknown sample is tested with litmus paper. The red litmus paper turns blue and the blue litmus paper stays blue. What does this mean?

Use the following diagram to answer questions 2-5.

The pH scale may be used to differentiate between acids and bases.
The pH of four different samples is tested. These are the results:
1

Which of the following descriptions best matches the results, starting with Solution 1?

1

Which of the following solutions is the most acidic?

1

Which of the following solutions is the most basic?

1

What solution provides the best results for washing hair, considering human hair is slightly acidic?

1

Which of the following indicator results is correct when an indicator changes color?

1

You are given an unidentified solution along with litmus paper. You dip the blue litmus paper in the solution and it turns red. What do you know about the solution?

1

A solution with a pH of 7.4 (human blood) is considered

1

Acidic and basic properties of solutions are compared by arranging them using the