Add sodium hydroxide solution to zinc sulphate solution drop wise to precipitate zinc hydroxide as residue and heat the residue to obtain zinc oxide.
johnmulu answered the question on February 15, 2017 at 05:54
- Aqueous hydrogen chloride reacts with potassium manganate (VII) to produce chlorine gas, while a solution of hydrogen chloride in methylbenzene has no effect on potassium manganate (VII)(Solved)
Aqueous hydrogen chloride reacts with potassium manganate (VII) to produce chlorine gas, while a solution of hydrogen chloride in methylbenzene has no effect on potassium manganate (VII). Explain this observation.
Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 15, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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The elements nitrogen, phosphorous and potassium are essential for plant growth.
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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ii) Sodium hydroxide solution
Date posted: February 13, 2017. Answers (1)
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Date posted: February 13, 2017. Answers (1)
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Date posted: February 10, 2017. Answers (1)
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Date posted: February 10, 2017. Answers (1)
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Date posted: February 10, 2017. Answers (1)
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Date posted: February 10, 2017. Answers (1)
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State and explain one disadvantage of using hard water in boilers.
Date posted: February 10, 2017. Answers (1)