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Phosphoric acid can be used to remove rust from a metal surface because it acts as a chelating agent, binding to the iron oxide in the rust and breaking it down. It also forms a protective layer on the metal surface, preventing further rust formation. Additionally, phosphoric acid is less corrosive compared to other acids, making it a safer option for removing rust.

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1y ago

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Why can phosphoric acid prevent rusting?

Phosphoric acid can prevent rusting by forming a protective layer of iron phosphate on the surface of metal. This layer acts as a barrier, preventing oxygen and water from reaching the metal surface and causing it to corrode. Additionally, phosphoric acid can also act as a mild acid to remove existing rust and corrosion from metal surfaces.


Why can Phosphoric acid be used to remove rust from a metal surface?

Phosphoric acid reacts with rust to form iron phosphate, which can be easily removed from the metal surface. The acid also acts as a passivator, which helps prevent further rusting by forming a protective layer on the metal.


What chemical can be used to effectively remove rust from metal surfaces?

One chemical that can effectively remove rust from metal surfaces is phosphoric acid.


What is the best chemical to effectively remove rust from metal surfaces?

The best chemical to effectively remove rust from metal surfaces is phosphoric acid.


What acid is used to remove rust?

Acid does not remove rust, however the use of phosphoric acid on rust converts the iron oxide to iron phosphate, which in turn can be painted without the fear of rust forming. The iron phosphate surface will not deteriorate the metal like iron oxide does.


What is the active ingredient in naval jelly?

The active ingredient in naval jelly is phosphoric acid. It is a rust removal product used to dissolve and remove rust from metal surfaces.


How can I effectively use chemicals to remove rust from metal surfaces?

To effectively remove rust from metal surfaces using chemicals, you can use a rust remover product that contains ingredients like phosphoric acid or oxalic acid. First, clean the metal surface to remove any dirt or debris. Then, apply the rust remover according to the product instructions and let it sit for the recommended amount of time. Finally, scrub the surface with a brush or abrasive pad to remove the loosened rust. Rinse the surface thoroughly with water and dry it completely to prevent further rusting.


Why do metals have to be sandpapered?

The reason why metal have to be clean with sandpaper is to remove the oxide layer on the surface of the metal. This is because most metal have a high tendency toward oxygen. The metal will react with oxygen in the air and form an oxide layer on the surface of the metal.


Is it a copper OR zinc penny that dissolves in phosphoric acid?

A zinc penny would dissolve in phosphoric acid, not a copper penny. Zinc reacts with phosphoric acid to form zinc phosphate and hydrogen gas. This reaction does not occur with copper, as copper is a more stable metal and does not react with phosphoric acid in the same way.


How does rust remover work to effectively remove rust from metal surfaces?

Rust remover works by using chemicals that break down the rust on a metal surface. These chemicals dissolve the rust, making it easier to wipe or scrub away. The rust remover typically contains ingredients like phosphoric acid or oxalic acid that react with the rust to loosen its grip on the metal. This process helps to restore the metal surface to its original condition.


Why does phosphoric acid remove rust?

Hydrochloride acid is hydrogen chloride or HCl. When HCl reacts with a metal, the metal replaces hydrogen in the compound, forming a metal chloride and hydrogen gas. Here's an example of zinc reacting to produce zinc chloride or ZnCl2. Zn + 2HCl --> ZnCl2 + H2


What does soda have in it that removes corrosion?

Soda contains phosphoric acid, which can help to dissolve and remove corrosion on metal surfaces. The acidity of the soda helps to break down the rust and corrosion, making it easier to clean and remove from the metal.