Advertisements
Advertisements
प्रश्न
State how would you prepare copper (II) oxide from
copper sulphate
Advertisements
उत्तर
Preparation from Copper Sulphate :
\[\ce{CuSO4 + H2O -> CuO + H2SO4}\]
APPEARS IN
संबंधित प्रश्न
How is the following salt prepared:
Sodium nitrate from sodium hydroxide.
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 iron (III) chloride.
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
How many salts can be obtained from ortho phosphoric acid? Is there any difference in the salts formed by the acid?
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphide
Write equation for the laboratory preparation of the following salt, using sulphuric acid: Iron (II) sulphate from the iron.
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.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
An oxide which when dissolved in water form acid.
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.
