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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
Choose the method of preparation of the following salts, from the methods given in the list:
[List : A. Neutralization B. Precipitation C. Direct combination D. Substitution ]
(i) Lead chloride
(ii) Iron (II) sulphate
(iii) Sodium nitrate
(iv) Iron (III) chloride
State how would you prepare copper (II) oxide from
Copper Carbonate
Give equation to prepare the following as directed
NaHCO3 from Na2CO3
Choosing the correct words given in brackets, complete the sentence given below: Lead sulphate from lead nitrate.
Choosing the correct words given in brackets, complete the sentence given below: Sodium sulphate from sodium carbonate.
Write the equation for the following reaction:
Magnesium sulphate solution is mixed with barium chloride solution.
Give the equation for the preparation of the following salt from the starting material given.
Copper sulphate from copper (II) oxide
State the inference drawn from the following observation:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide Identify S.
What is the difference between the chemical nature of an aqueous solution of HCl and an aqueous solution of NH3
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
An oxide which when dissolved in water form acid.
