Question 2
which of the following is (are) considered when selecting a germicidal chemical
toxicity
o cost
compatibility with the material being treated
environmental impact
all of the choices are correct.

The correct option is ALL OF THE CHOICES ARE CORRECT.

Explanation:

Germicidal chemicals are chemical substances that are normally used to eliminate germs. There are many factors that one needs to consider when it comes to choosing and buying the right germicide. For instance, one has to consider the suitability of the germicide with the material that is been treated, one has to consider the impacts of the chemical on the environment, one also has to consider the cost, toxicity, safety and other factors. Thus, all the factors given in the options have to be considered when one is trying to decide on the right germicide.

explanation:

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