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Standard VIII

Chemistry

Water of Crystallisation

Answer the qu...

Question

Answer the question below, relating your answers only to salts in the following list: Sodium chloride, anhydrous calcium chloride, copper sulphate $- 5 -$ water?
(b) If copper sulphate $- 5 -$ water is heated, anhydrous copper sulphate is formed. What is it’s colour?

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Solution

The anhydrous copper sulphate is white in colour.
That is, when the blue coloured copper sulphate $- 5 -$ water is heated, water of crystallization is removed from it and becomes white coloured anhydrous copper sulphate.

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Similar questions

Q. Answer the questions below, relating your answers only to salts in the following list:
sodium chloride, anhydrous calcium chloride, copper sulphate-5-water.
(i) What is the name given to the water in the compound copper sulphate-5-water?
(ii) If copper sulphate-5-water is heated, the water is driven off leaving anhydrous copper sulphate. What is the colour of anhydrous copper sulphate?
(iii) By what means, other than heating, can you dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
(iv) Which one of the salts in the given list is deliquescent?

Q. Answer the question below, relating your answers only to salts in the following list: Sodium chloride, anhydrous calcium chloride, copper sulphate

- 5 -

water?
(c) By what means, other than heating, could you dehydrate copper sulphate

- 5 -

water and obtain anhydrous copper sulphate?

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

Sodium chloride, Anhydrous Calcium chloride, Copper sulphate- $5$ - Water

(b) If Copper sulphate- $5$ - Water is heated, the water is driven off, leaving anhydrous Copper sulphate.

(i) What is the color of anhydrous copper sulphate?

Answer the question below, relating your answers only to salts in the following list : Sodium chloride, anhydrous calicum 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 ?

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

Sodium chloride, Anhydrous Calcium chloride, Copper sulphate- $5$ -Water

(b) If Copper sulphate- $5$ -Water is heated, the water is driven off, leaving anhydrous Copper sulphate.

(ii) By what means, other than heating, can you dehydrate Copper sulphate- $5$ -Water and obtain anhydrous Copper sulphate?

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Water of Crystallisation

Standard VIII Chemistry

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Answer the question below, relating your answers only to salts in the following list: Sodium chloride, anhydrous calcium chloride, copper sulphate−5−water? (b) If copper sulphate−5−water is heated, anhydrous copper sulphate is formed. What is it’s colour?

The anhydrous copper sulphate is white in colour. That is, when the blue coloured copper sulphate−5−water is heated, water of crystallization is removed from it and becomes white coloured anhydrous copper sulphate.

Answer the question below, relating your answers only to salts in the following list: Sodium chloride, anhydrous calcium chloride, copper sulphate $- 5 -$ water?
(b) If copper sulphate $- 5 -$ water is heated, anhydrous copper sulphate is formed. What is it’s colour?

The anhydrous copper sulphate is white in colour.
That is, when the blue coloured copper sulphate $- 5 -$ water is heated, water of crystallization is removed from it and becomes white coloured anhydrous copper sulphate.