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प्रश्न
State how would you prepare copper (II) oxide from
copper sulphate
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उत्तर
Preparation from Copper Sulphate :
\[\ce{CuSO4 + H2O -> CuO + H2SO4}\]
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संबंधित प्रश्न
What kind of salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
State how would you prepare copper (II) oxide from
Copper Carbonate
Give equation to prepare the following as directed
PbCO3 from Pb(NO3)
Write the equation for the laboratory preparation of sodium sulphate using dilute sulphuric acid.
Choosing the correct words given in brackets, complete the sentence given below: Copper sulphate from copper.
Write the equation for the following reaction:
Magnesium sulphate solution is mixed with barium chloride solution.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
A is a sodium salt.
The following is a list of methods for the preparation of salts.
A – direct combination of two elements.
B – reaction of a dilute acid with a metal.
C – reaction of a dilute acid with an insoluble base.
D – titration of a dilute acid with a solution of soluble base.
E – reaction of two solutions of salts to form a precipitate.
Choose from the above list A to E, the best method of preparing the following salt by giving a suitable equation in the following case:
Copper sulphate.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
D is a soluble salt of zinc.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
An oxide which when dissolved in water form acid.
