Advertisements
Advertisements
Question
State how would you prepare copper (II) oxide from
Copper Carbonate
Solution
Preparation from Copper Carbonate :
\[\ce{CuCO3 ->CuO + CO2 ^}\]
APPEARS IN
RELATED QUESTIONS
How would you obtain salt from another salt?
What kind of salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
Explain why It is necessary to find out the ration of reactants required in the preparation of sodium sulphate.
Choosing the correct words given in brackets, complete the sentence given below: Copper sulphate from copper.
Write the equations for the reaction to prepare lead sulphate from lead carbonate.
What is the difference between the chemical nature of an aqueous solution of HCl and an aqueous solution of NH3
Explain the following method with example.
Direct combination
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
A covalent oxide of a metalloid.
Match the salts underlined in Column A with the most suitable method of preparation given in Column B.
Column A | Column B | ||
(a) | \[\ce{ZnCl2 \text{from} Zn}\] | 1. | Precipitation |
(b) | \[\ce{KNO3 \text{from} KOH}\]. | 2. | Direct combination |
(c) | \[\ce{CaCO3 \text{from} CaCl2}\]. | 3. | Displacement reaction |
4. | Neutralization |
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 sodium chloride.