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.
Confidence votes 133. Put two copper wires into a cup of the water you want to test, one on each side of the cup, then connect it to a battery. Distilled water might get a few sodium particles, but tap water will turn a wierd green colour and the wires will be coated in salt.I hope this answer has been helpful.epending on what minerals and other chemicals are in the tap water, it can taste much better than distilled water, which has a flat taste. If the tap water has a lot of iron or sulfur, it can have an unpleasant taste. Hard water is water that naturally has more minerals. Naturally soft water has less.