0
What else can I help you with?
Is copper black?
Copper metal is usually reddish brown.
A shiny brown coin made up of an element turned black on heating. What was the element made up of and what is the black compound formed?
The coin was likely made of copper, which is an element commonly used for making coins. When heated, copper reacts with oxygen in the air to form copper oxide, which is a black compound.
What does copper oxide look like after copper has burned?
Copper oxide appears as a black or dark brown powder after copper has burned.
What is the colour of copper sulphide?
Digold sulphide, Au2S: black-brown Digold trisulphide, Au2S3: brown-black to black
What is the colour change when copper oxide is added to hydrogen?
When copper oxide is added to hydrogen, a redox reaction occurs. The color change observed is from black copper oxide to reddish-brown copper metal, indicating the reduction of copper oxide to copper metal by hydrogen gas.
How do you treat natural black hair when it turned brown?
naturally
WHY DID THE IRON ROD KEPT IN COPPER SULPHATE SOLUTION TURNED BROWN AFTER SOMETIME AND WHAT OTHER CHANGE WILL YOU OBSERVE?
The iron rod turned brown because it underwent a chemical reaction with the copper ions in the copper sulfate solution, forming copper metal on the surface of the iron. Another change you might observe is that the copper sulfate solution may become lighter in color as some of the copper ions plate onto the iron rod.
Is anushka nipples is brown colour?
yes it almost brown i.e., brownish black
What colour is Sacajawea hair?
it is dark brown almost black
When a copper and oxygen combine what do they create?
Copper and oxygen combine to form copper oxide. Copper oxide is a black or brown solid with the chemical formula Cu2O or CuO, depending on the oxidation state of copper.
Has Shawn Michaels ever had black hair?
Yes he has had black hair(in 2005), it turned back to brown in 2007.
What color is Selena Gomez's eyebrows?
Dark Brown; almost black
