If Solution a Has a PH of 2 and Solution

question 31

Multiple Choice

If solution A has a pH of 2 and solution B has a pH of 8, which of the following statements is true?

• A) A is basic and B is acidic.
• B) A is acidic and B is basic.
• C) A is a base and B is an acid.
• D) A has a greater [OH^-] than B.
• E) None of the above

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Definitions:

Spacing Effect

A phenomenon where learning is more effective when study sessions are spaced out over time, rather than being crammed into a single session.

Distributed Study

A learning strategy that involves spreading study sessions and practice over time.

Long-Term Retention

The ability to maintain and store information over extended periods.

Testing Effect

Enhanced memory after retrieving, rather than simply rereading, information. Also referred to as a retrieval practice effect or test-enhanced learning.