A Quantitative Observation That Is the Basis of Scientific Investigation

question 64

Multiple Choice

A quantitative observation that is the basis of scientific investigation is a(n)

• A) experiment.
• B) measurement.
• C) explanation.
• D) number.

---

Definitions:

pH

A numeric scale used to specify the acidity or basicity of an aqueous solution, ranging from 0 to 14.

Strong Acids

Acids that completely dissociate into their ions in water, significantly increasing the concentration of hydrogen ions in a solution.

Reduced

Reduced typically refers to a chemical reaction in which atoms gain electrons, or in a broader sense, the diminishment in size, amount, or intensity of something.

Acid

Substances that release hydrogen ions (H+) when dissolved in water, characterized by their sour taste and the ability to turn litmus paper red.