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Copper oxide is basic in nature.Lemon or tamarind is acidic.Hence, when we rub tarnished copper vessel with lemon juice or tamarind, the basic copper oxide reacts with acid(citric acid) present in the lemon or tamarind to form a salt which is washed away with water.Hence,the vessel gets cleaned.
What else can I help you with?
Is copper tarnished?
Yes; the green basic copper carbonate is formed on the surface.
Why is the statue of liberty tarnished?
It is made of copper about 2 pennies thick
What happen when copper vessels are heated with acid?
Copper vessels are easily corroded.
Which foods are made in copper vessels?
Many foods can be made in copper vessels. The only foods that you should avoid making in copper vessels is acidic foods. The copper and acids react and can ruin the food.
Does the statue of liberty ever get cleaned?
no its copper
How beneficial is drinking water from copper vessels for our health and well-being?
Drinking water from copper vessels can have some health benefits, as copper is known to have antimicrobial properties and may help with digestion and overall well-being. However, excessive consumption of copper can be harmful, so it is important to use copper vessels in moderation.
How does the reaction between vinegar and copper affect the appearance of the copper surface?
When vinegar reacts with copper, it forms copper acetate, which can give the copper surface a greenish-blue color known as patina. This patina changes the appearance of the copper surface by creating a tarnished or aged look.
Why a greenish deposit is found on copper vessels in rain season?
The hydrated copper carbonate is formed.
How do you clean a copper pot?
CNN.com has an article about spring cleaning and they say to use a tablespoon of salt &1 cup of white vinegar added to boiling water to clean tarnished copper.
Can copper vessels be used to store drinking water safely?
Copper vessels can be used to store drinking water. Just be sure that the copper is water resistant enough to be able to withstand the fluid without any of it coming off.
How can I tarnish copper effectively?
To tarnish copper effectively, you can use a mixture of vinegar and salt to create a natural patina. Simply mix equal parts of vinegar and salt, then apply the mixture to the copper surface and let it sit for a few hours. This will create a tarnished look on the copper.
Why do you use brasso or some acidic substance to clean a tarnished copper surface?
To dissolve the hydrated cooper carbonate or to remove this coating by erosion.
