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What else can I help you with?
When rubbing a nickel on your face does this mean low iron when your face turns black?
No, rubbing a nickel on your face and seeing black residue does not indicate low iron levels. The black residue is likely the result of the nickel oxidizing on your skin. Low iron levels are typically diagnosed through blood tests.
What happens to bread when you put iodine on it?
When you pore iodine on a piece of bread, the bread will turn black. Why? Because, the iodine has a chemical reaction with the starch in the bread. This method is great to find out if a food contains starch (I suggest a potato to try next!).
What would happen to nickel if you hit it with a hammer?
If you hit nickel with a hammer, it would deform and flatten rather than shattering like glass or some other materials. Nickel is a ductile metal, so it has the ability to deform and change shape under pressure without breaking.
Why did each of the solutions turn iodine blueblack at the start of the experiments?
The presence of starch in the solutions caused them to turn iodine blue-black at the start of the experiments. Iodine forms a dark blue-black complex when it interacts with starch molecules, making it a commonly used indicator to detect the presence of starch in solutions.
What is the element named after a coin?
The element nickel shares its name with the American or Canadian 5 cent piece. This is because the coin was made out of that metal or its alloy. The element was named in 1751, by Baron Axel Fredrik Cronstedt who first isolated it. In the United States, the term "nickel" was first applied to coins in 1859.
What happens when you heat nickel nitrate?
When you heat nickel nitrate, it decomposes to form nickel oxide, nitrogen dioxide gas, and oxygen gas. The reaction is represented by the equation: [ Ni(NO_3)_2 \rightarrow NiO + 2NO_2 + 1/2O_2 ]
What happens if you dye a pink rug black?
I would suspect that the pink rug would then turn black.
What makes gold earrings turn black?
Besides being expensive, gold is a very soft metal, so it is mixed with harder metals to make it suitable for earrings (also gold coins, cuff links, tie clasps, rings, toe rings, navel rings, and just about everything else made from gold). Nickel is often used, and it turns black from exposure to the air, which is why an old nickel coin turns black. The gold itself should not turn black.
Why does your body turn silver jewelry?
It is the nickel in some silver jewelry that reacts with your body chemistry to turn your skin and the jewelry black. .925 Sterling Silver, such as that offered by Tiffany and Silpada, contains no nickel. .925 sterling silver is 92.5 pure silver, with only 6.5% copper added for stablity.
Would real silver turn black?
yes
What is the streak of a nickel?
A nickel has a streak of light green or greenish-black.
Can a black hole turn you inside out?
No, it would tear you apart.
Does nickel turn green when exposed to certain conditions?
Yes, nickel can turn green when exposed to certain conditions, such as prolonged exposure to moisture or acidic substances. This greenish color is known as patina and is a result of oxidation on the surface of the nickel.
Can you rub a nickel on your skin to see if you have anemia?
It would appear so. If you see black lines after you rub a nickel on your skin, you just might be anemic. Of course, if you rub a really dirty nickel on your skin you might get a false reading. Best see a doctor.
Can you color black Lego's?
yes you can but every thing will turn out to be black 97% and bits would be 3%
What would cause copper pipes in a house to turn black?
Oxidation
What would turn an evaporator coil in ac unit black?
Mold.
