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The colour of Copper sulphate is blue because Copper ions absorb light in all frequencies except blue which is reflected instead.

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Q: Why is colour of copper sulphate blue?
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Related questions

What color is copper sulphate solution and water mixture?

Copper sulphate's colour is blue.


What is the colour of the crystales of copper sulphate?

Blue


What is the colour of copper sulphate at room temperature?

Copper sulfate is typically blue in color at room temperature.


What colour are copper sulphate crystals?

very dark blue


Which substance is used for giving blue colour to glass?

copper sulphate


What colour does hydrous copper sulphate turn when heated?

Hydrous copper sulphate, when heated, turns into anhydrous copper sulphate and changes its color from blue to white. The blue color comes from the water molecules bound to the copper sulphate crystals, and when heated, these water molecules are removed, resulting in a color change.


Why does the blue colour of copper sulphate disappear when a zinc plate is dipped into it?

The copper plates out while the zinc dissolves, leaving a transparent zinc sulphate solution.


Copper sulphate add to sodium hydroxide result colour?

When copper sulfate is added to sodium hydroxide, a blue precipitate of copper hydroxide is formed. The color change observed is from the initial blue color of copper sulfate to the blue precipitate of copper hydroxide.


What colour is hydrated copper sulphate?

Hydrated copper sulfate appears as a bright blue color.


When copper sulphate reacts with iron what colour does it turn?

When copper sulphate reacts with iron, the solution turns blue due to the formation of copper ions in the solution. This is because copper is displaced from the copper sulfate and iron sulfate is formed, leading to the blue color of the solution.


When mixed with water why does copper sulphate turn water blue?

because when in a solution it forms blue crystals creating a blue colour


When added to copper sulphate what colour is anhydrous copper sulphate?

Anhydrous copper sulfate is white in color. When it absorbs water molecules, it turns blue to form the hydrated form of copper sulfate.