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Option 1: Nascent Hydrogen - This is not the correct answer. Nascent hydrogen refers to hydrogen in its active and highly reactive state. It is different from hydrogen peroxide.
Option 2: Water - This is the correct answer. When hydrogen peroxide readily loses active oxygen, it decomposes into water and oxygen. Water is a stable and non-reactive compound.
Option 3: Hydrogen - This is not the correct answer. Hydrogen is a different compound than hydrogen peroxide. Hydrogen peroxide contains two oxygen atoms, while hydrogen is a diatomic molecule consisting of two hydrogen atoms.
Option 4: Ozone - This is not the correct answer. Ozone is a molecule consisting of three oxygen atoms. It is not formed when hydrogen peroxide loses active oxygen.
Therefore, the correct answer is option 2: Water. When hydrogen peroxide loses active oxygen, it decomposes into water and oxygen.