a student heated a few crystals of copper sulphate in a dry boiling tube . 1)what will be the colour of the copper sulphate after heating? 2) will u notice water droplets in the boiling tube?3)where have these come from?'
*:When the water in thecopperboils, the arsenic and tartar, well pounded, is put into it, and kept boiling till the liquor is reduced to about half. Synonyms * (colour) chestnut, russet Derived terms * antimonial copper * arsenical copper * barium copper oxide * black copper * black co...
The scientific study of matter's characteristics and behaviour is known as chemistry.andare different from the normal vocabulary. It is a branch of natural science that examines the building blocks of matter, including the atoms, molecules, and ions that make up compounds and their composition, s...
It is fair to say that in the 18th century this colour would have been made bytinting white with a little lamp black. We have borrowed the name but mixed a more complex colour by adding in red oxide and yellow ochre. These earthy tones give the colour not just that of ash, but that...
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. ...
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 ... Does a salt solution show the Tyndall effect? What ...
Dehydration is a chemical reaction where two substances react, resulting in the loss of water molecules. A dehydration reaction may result in to change of color of the compound formed. Answer and Explanation:1 When concentrated sulphuric acid is added to hydrated copper (II) crystal...
What happens when a strip of zinc is placed in a silver nitrate solution? Single Replacement Reactions: A single replacement reaction occurs when one element replaces another element in a compound. The element that does the replacing ranks higher in the metal activity/reactivity series ...
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...
the more colour and tannin will be extracted from the white grapes. And that will really depend on kind of like the depth of colour and the intensity of the resulting wine. So that is how you get like this gorgeous orange colour — or depending on the grape, a bit more of a gentle ...