_____ Is a Halogen Used in Gaseous and Liquid Form

question 32

Multiple Choice

_____ is a halogen used in gaseous and liquid form for large scale disinfection of drinking water and sewage.

• A) Iodine
• B) Chlorine
• C) Bromine
• D) Fluorine
• E) Betadine

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Definitions:

Averages

Statistical measures that summarize a set of numbers or data points, typically calculated as the mean, median, or mode.

Research Method

A systematic plan for conducting scientific inquiry to gather and analyze data.

Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation.

Field Research

The collection of data outside of a laboratory, library, or workplace setting, directly in the natural or real-world environment.