Which Chemical Is NOT Capable of Destroying Ozone

question 18

Multiple Choice

Which chemical is NOT capable of destroying ozone? 

• A) halons in fire extinguishers and crop fumigants 
• B) formaldehyde used as a preservative 
• C) chlorofluorocarbons 
• D) carbon tetrachloride used as a solvent

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Definitions:

Closed

Refers to a state or system that is not open for external inputs, often implying a complete or sealed condition.

Rung No. 3

A specific level or step within a ladder logic program, often used in the context of PLC (Programmable Logic Controller) programming.