Choose the statement that best explains pH Scale.
- A. Blood cells that are a key part of the immune system, defending the body against infection
- B. A scale from 0 to 14 used to measure how acidic or basic a substance is, with 7 being neutral ✓
- C. A community of living organisms interacting with each other and their physical environment
- D. A gas law stating that the pressure of a gas is inversely proportional to its volume at constant temperature
Correct answer
B. A scale from 0 to 14 used to measure how acidic or basic a substance is, with 7 being neutral
Explanation
'pH Scale' refers to a scale from 0 to 14 used to measure how acidic or basic a substance is, with 7 being neutral.