Advertisements
Advertisements
प्रश्न
State how would you prepare copper (II) oxide from
Copper Carbonate
Advertisements
उत्तर
Preparation from Copper Carbonate :
\[\ce{CuCO3 ->CuO + CO2 ^}\]
APPEARS IN
संबंधित प्रश्न
Write a balanced chemical equation for the preparation of the following salts
Copper carbonate
Name the procedure used to prepare a sodium salt such as sodium sulphate.
State how would you prepare copper (II) oxide from
Copper nitrate
From the list of the substances given, name the substances which you would use to prepare each of the following salts:
List of substances: Copper, lead, sodium, zinc, copper oxide, lead carbonate, sodium carbonate solution, dilute hydrochloric acid, dilute nitric acid and dilute sulphuric acid.
Salts: (a) zinc sulphate (b) copper sulphate (c) sodium sulphate (d) lead sulphate.
Carbon dioxide and sulphur dioxide gas can be distinguished by using ______.
Write the equations for the reaction to prepare lead sulphate from lead carbonate.
Give the equation for the preparation of the following salt from the starting material given.
Potassium sulphate from potassium hydroxide solution
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.
