Which of the following metals are used for washing old oil paintings :

Options :
  1. Magnesium Oxide
  2. Hydrogen oxide
  3. Potassium peroxide
  4. Hydrogen peroxide

Answer and Explanation :-

Answer: Option 3


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I decided I would not go to court to have my mother declared incompetent, I would not fight. I put the car in drive and hit the gas. I felt as if I'd jumped off a sinking ship and was in a life raft with my little girl, my face turned away from the horror, rowing, rowing, as fast and as hard as I could in the opposite direction.
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