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Question
You are provided with the following chemicals:
NaOH, Na2CO3, H2O, Zn(OH)2, CO2, HCI, Fe, H2SO4, CI2, Zn.
Using the suitable chemicals from the given list only, state briefly how you would prepare sodium sulphate.
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Solution
Sodium sulphate can be prepared by neutralising NaOH with H2SO4.
\[\ce{2NaOH + H2SO4 -> \underset{sulphate}{\underset{Sodium}{Na2SO4}} + 2H2O}\]
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RELATED QUESTIONS
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Name the method used for preparation of the following salts from the list given below:
(i) Sodium nitrate
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List :
(a) Simple displacement
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(c) Decomposition by acid
(d) Double decomposition
(e) Direct synthesis
Fill in the blanks with suitable words:
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Match the salts underlined in Column A with the most suitable method of preparation given in Column B.
| Column A | Column B | ||
| (a) | \[\ce{ZnCl2 \text{from} Zn}\] | 1. | Precipitation |
| (b) | \[\ce{KNO3 \text{from} KOH}\]. | 2. | Direct combination |
| (c) | \[\ce{CaCO3 \text{from} CaCl2}\]. | 3. | Displacement reaction |
| 4. | Neutralization |
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Select the word/s given which are required to correctly complete the blanks.
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For the preparation of the following salts - give a balanced equation in the following case.
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