Water vapor turns white anhydrous copper sulphate __________.

blue

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yellow

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black

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red

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Solution

The correct option is B blue
Water vapour turns anhydrous copper sulphate from white to blue.

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Similar questions

Answer the question below, relating your answers only to salts in the following list :

Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water ?

(a) What name is given to the water in the compound copper sulphate-5-water ?

(b) If copper sulphate-5-water is heated, anhydrous copper sulphate is formed. What is its colour ?

(c) By what means, other than heating, could you dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate ?

(d) Which one of the salts in the given list is deliquescent ?

(a) What happens when copper sulphate crystals are heated strongly? Explain with help of an equation.

(b) What happens when a few drops of water are added to anhydrous copper sulphate? Explain with the help of an equation.

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