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Which of the Following Concepts or Phenomena Was First and Most

question 30

Multiple Choice

Which of the following concepts or phenomena was first and most directly connected to state development?


Definitions:

Bromecresol Purple

A chemical pH indicator that changes color at a pH range of 5.2 to 6.8, used in various laboratory and medical tests.

Adhesion

The tendency of dissimilar particles or surfaces to cling to one another, often causing materials to stick together.

Hydrogen Bonds

Weak bonds between partially positive hydrogen atoms and partially negative elements like oxygen or nitrogen, crucial in biological structures.

pH Scale

A measure of the acidity or basicity of an aqueous solution, ranging from 0 (most acidic) to 14 (most basic) with 7 as neutral.

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