A fumigant released into the air is in which phase?

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Multiple Choice

A fumigant released into the air is in which phase?

Explanation:
When a fumigant is released into air, it must be in the gaseous phase to be carried by the air currents. Fumigants are designed to be volatile, so they readily vaporize at environmental temperatures and become a gas that can diffuse through air and reach pests in cracks and spaces. A solid would stay put or crumble slowly, and a liquid would need to evaporate to become airborne, but that airborne form is still the gas phase. Plasma is an ionized, highly energized state not involved in typical fumigation. So the correct form in air is the gas.

When a fumigant is released into air, it must be in the gaseous phase to be carried by the air currents. Fumigants are designed to be volatile, so they readily vaporize at environmental temperatures and become a gas that can diffuse through air and reach pests in cracks and spaces. A solid would stay put or crumble slowly, and a liquid would need to evaporate to become airborne, but that airborne form is still the gas phase. Plasma is an ionized, highly energized state not involved in typical fumigation. So the correct form in air is the gas.

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