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Which of the following salts contains water of crystallization.
I. Gypsum
II. Epsum salt
III. Blue vitriol
IV. Glauber’s salt
  • a)
    I and II
  • b)
    III and IV
  • c)
    I, II, III, IV
  • d)
    II and IV
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following salts contains water of crystallization.I. Gyps...
Blue vitriol is copper sulphate Pentahydrate 
CuSO4. 5H2O . It has 5 moles of water. 
Gypsum is calcium sulphate dihydrate 
CaSO4. 2H2O . It has two moles of water.
The chemical formula of Epsom salt is magnesium sulfate  MgSO4(H2O) x, where x varies from 0 to 7.Glauber's salt is the Decahydrate form of sodium sulfate.  NaSO4. 10H2O.
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Most Upvoted Answer
Which of the following salts contains water of crystallization.I. Gyps...
Blue vitriol is copper sulphate Pentahydrate 
CuSO4. 5H2O . It has 5 moles of water. 
Gypsum is calcium sulphate dihydrate 
CaSO4. 2H2O . It has two moles of water.
The chemical formula of Epsom salt is magnesium sulfate  MgSO4(H2O) x, where x varies from 0 to 7.Glauber's salt is the Decahydrate form of sodium sulfate.  NaSO4. 10H2O.
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Community Answer
Which of the following salts contains water of crystallization.I. Gyps...
Understanding Water of Crystallization
Water of crystallization refers to the water molecules that are integrated into the crystal structure of a salt. These water molecules can be removed by heating, but they are essential for the formation and stability of the crystalline structure.
Salts Containing Water of Crystallization
Let’s examine each of the salts mentioned in the options:
  • Gypsum (CaSO4·2H2O):
    - Contains two water molecules per formula unit.
    - Commonly used in construction and agriculture.
  • Epsom Salt (MgSO4·7H2O):
    - Contains seven water molecules per formula unit.
    - Widely used in baths and as a laxative.
  • Blue Vitriol (CuSO4·5H2O):
    - Contains five water molecules per formula unit.
    - Used in various applications including agriculture and as a fungicide.
  • Glauber's Salt (Na2SO4·10H2O):
    - Contains ten water molecules per formula unit.
    - Used in the production of glass and textiles.

Conclusion
All of the salts listed (Gypsum, Epsom Salt, Blue Vitriol, and Glauber's Salt) indeed contain water of crystallization. Therefore, the correct answer is option 'C', which includes all four salts.
Understanding these salts helps in comprehending their uses in various fields, illustrating the importance of water of crystallization in both chemical properties and practical applications.
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Which of the following salts contains water of crystallization.I. GypsumII. Epsum saltIII. Blue vitriolIV. Glauber’s salta)I and IIb)III and IVc)I, II, III, IVd)II and IVCorrect answer is option 'C'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Which of the following salts contains water of crystallization.I. GypsumII. Epsum saltIII. Blue vitriolIV. Glauber’s salta)I and IIb)III and IVc)I, II, III, IVd)II and IVCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following salts contains water of crystallization.I. GypsumII. Epsum saltIII. Blue vitriolIV. Glauber’s salta)I and IIb)III and IVc)I, II, III, IVd)II and IVCorrect answer is option 'C'. Can you explain this answer?.
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