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प्रश्न
State how would you prepare copper (II) oxide from
Copper nitrate
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उत्तर
Preparation from copper nitrate :
\[\ce{2Cu(NO3)2->[\Delta]2CuO + 4NO2 + O2 }\]
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संबंधित प्रश्न
How is the following salt prepared:
Calcium sulphate from calcium carbonate,
How is the following salt prepared:
Lead (II) oxide from lead.
Explain why fused calcium chloride is used in the preparation of FeCI3?
Give the preparation of the salt given in the left column by matching with the methods given in the right column. Write balanced equations for each preparation.
| Salt | Method of Preparation |
| Zinc sulphate | Precipitation |
| Ferrous sulphide | Displacement |
| Barium sulphate | Neutralization |
| Sodium sulphate | Synthesis |
State how would you prepare copper (II) oxide from
Copper Carbonate
Define the following term:
Neutralisation
Which of the following methods, (a), (b), (c), (d) or (e) is generally used for preparing the chlorides listed below from (i) to (v). Answer by writing down the chloride and the letter pertaining to the corresponding method. Each letter is to be used only once.
(a) Action of an acid on a metal.
(b) Action of an acid on an oxide or carbonate.
(c) Direct combination.
(d) Neutralization of an alkali by an acid.
(e) Precipitation (double decomposition).
(i) copper(II) chloride.
(ii) iron(II) chloride.
(iii) iron(IIl) chloride.
(iv) lead (II) chloride.
(v) sodium chloride.
Write the equations for the reaction to prepare lead sulphate from lead carbonate.
Select the word/s given which are required to correctly complete the blanks.
When solution M and O are mixed together, the products will be ______ and ______.
Select the word/s given which are required to correctly complete the blanks.
If a piece of magnesium was put into a solution M, ______ gas would be evolved.
