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What color does copper turn when it oxidizes? What is graphene hydroxide used for? How many atoms thick is graphene? What colour is oxygen-rich blood? Is graphene an element? Is graphene oxide poisonous to humans? What is the color of iodine solution? What is the Bravais lattice of graphen...
It is generally transparent and colourless in pure form, but it is coloured by the presence of iron, manganese, copper or other elements when it is not in pure form. Zinc carbonate is an important zinc source which can be easily converted to other zinc compounds, such as zinc oxide. ...
Kerry made some copper sulfate crystals. She wrote a description of what she did. 'I heated some dilute sulfuric acid in a beaker and added some copper oxide to it. I stirred the mixture until it became a clear blue colour. I added more copper oxide ... ...
Gray iron consists of graphite flakes in a metallic matrix. When fractured, it is grayish in colour – hence the name (specifically, a fracture will follow along the graphite flakes which are gray). The low cost of production and attractive properties make gray iron one of the most commonly...
Is silicon an oxide? Silicon dioxide, also known as silica, is anoxide of siliconwith the chemical formula SiO2, most commonly found in nature as quartz and in various living organisms. In many parts of the world, silica is the major constituent of sand. ...
What is Anodising? Anodising is very simply an oxidation process, as is the corrosion of steel into iron oxide (rust). However, the oxides of aluminium, titanium and magnesium are highly stable ceramic compounds which are integral to the metal surface, they will not flake or peel. ...
What is the importance of vinegar to The importance of vinegar to our daily life China is the world's the earliest country that has produced grain vinegar, as early as the 8th century BC had written records of vinegar. During the spring and autumn period and the warring states period...
Cores are materials that support the creation of a magnetic field. They are generally made of iron and its compounds, such as ferrite (which is an oxide of iron). You can get a greater magnetic field using a core than without one. ...
What is the chemical reaction of urea with copper nitrate solution? What happens when you mix an aqueous solution of sodium nitrate with an aqueous solution of barium chloride? What are effect of the nitrate or chloride ion in the solutions on the colour emission ? Addin...