Identify the True Statement(s) About Acids and Bases

question 61

Multiple Choice

Identify the true statement(s) about acids and bases.1. An acid is a substance that produces H+ ions when it is dissolved in water. 2. A base is a substance that produces OH- ions when dissolved in water. 3. An acid that dissociates completely in aqueous solution is called a weak acid. 4. A base that dissociates completely in aqueous solution is called a weak base.

• A) 1 and 2
• B) 1 and 3
• C) 3 and 4
• D) ​2 and 4
• E) ​1, 2, 3, and 4

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Definitions:

Test Statistic

The calculated value used to decide whether to reject the null hypothesis in hypothesis testing.

Normal Distribution

A bell-shaped curve that represents a distribution of values symmetrically around the mean.

Alternative Hypothesis

The hypothesis that suggests there is a statistically significant effect or relationship present, opposite to the null hypothesis.

Test Statistic

A figure derived from data in a sample for a hypothesis testing, utilized to decide if the null hypothesis should be discarded.