Just got a new '11 GTI and trying to teach my GF a stick shift â on the hills of SF. She's been stalling the car quite a lot.
Answers. Best Answer: Copper Nitrate forms blue crystals which dissolve in water. Transition metal salts often form colored crystals. Since the other reaction product is metallic silver precipitate, and everyone knows what silver looks like, the blue is from the copper nitrate by process of elimination.The original solution was not blue because silver nitrate is colorless/slight gray when in solution and Cu(s) is just copper metal.ince the other reaction product is metallic silver precipitate, and everyone knows what silver looks like, the blue is from the copper nitrate by process of elimination.
It will leave a beautiful high polished finish as well as protect your jewelry from your body oils and prevent oxidation. The lack of oxidation will prevent your skin from turning green. The key is to keep your copper clean, wax coated or not. Dirty copper means eventually your skin may turn green.t's known as the oxidation reaction. The copper reacts with oxygen in the air, your sweat and skin oils creating a green layer of copper carbonate on your skin. Relax; it shouldn't be anything to be concerned about, it just looks terrible.