Which sulphate is not soluble in water?
Correct answer: D. Barium sulphate
- A. Sodium sulphate
- B. Potassium sulphate
- C. Zinc sulphate
- D. Barium sulphate
Explanation
Option D, Barium sulphate, is the correct answer because it has a very low solubility in water, unlike the other options which are soluble. Sodium sulphate, potassium sulphate, and zinc sulphate all dissolve in water to produce their respective ions, while barium sulphate remains mostly insoluble.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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