Which of the following is an example of a Class 5 oxidizing substance?

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Multiple Choice

Which of the following is an example of a Class 5 oxidizing substance?

Explanation:
Oxidizing substances in Class 5 are chemicals that release oxygen or otherwise promote combustion, increasing the fire risk. Nitric acid and bleach fit this because they provide oxygen to reactions, making fires burn more readily or intensely when they contact fuels. Gasoline, by contrast, is a fuel that burns with oxygen but does not supply oxygen itself. Sodium chloride is just table salt and doesn’t participate in oxidation, and water does not promote oxidation and can help suppress fires. So nitric acid and bleach are the example of a Class 5 oxidizing substance.

Oxidizing substances in Class 5 are chemicals that release oxygen or otherwise promote combustion, increasing the fire risk. Nitric acid and bleach fit this because they provide oxygen to reactions, making fires burn more readily or intensely when they contact fuels. Gasoline, by contrast, is a fuel that burns with oxygen but does not supply oxygen itself. Sodium chloride is just table salt and doesn’t participate in oxidation, and water does not promote oxidation and can help suppress fires. So nitric acid and bleach are the example of a Class 5 oxidizing substance.

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