SELECT * FROM question_mgmt as q WHERE id=6002 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=11 AND subId=16 AND chapterId=466 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 7th science Physical and Chemical Changes describe how crystals of copper sulphate are prepa

Question:

Describe how crystals of copper sulphate are prepared.

Answer:

Crystals of copper sulphate can be obtained by crystallization method. The formation of crystals are as follows:

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1. Take some water in beaker.

2. Now add few drops of sulphuric acid to it.

3. Heat the water until its boiling point.

4. Now add copper sulphate powder to it with constant stirring.

5. Add the copper sulphate powder till the saturation point is obtained.

6. Now, filter the solution into a china dish and allowed it to cool.

7. The solution should be left undisturbed for 24 hours.

8. After 24 hours, separate the crystals carefully. 


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