Which two reactants make Calcium carbonate?
2 answers:
Impossible to form from given reactants
Explanation:
Only sodium has carbonate ion here .so only possible way to displace carbonate is to use potassium
When sodium carbonate and Potassium iodide react with each other double displacement reaction occurs
As potassium is powerful than sodium it displaces sodium to form potassium carbonate .
Then you have to use water and then you can use calcium suppliment .
Answer:
Calcium chloride Sodium carbonate Explanation:
The reaction :
<u>CaCl₂ + Na₂CO₃ ⇒ CaCO₃ + 2NaCl</u>
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This is clearly an example of a displacement reaction , where sodium displaces calcium in calcium chloride to form sodium chloride, and we are left with calcium carbonate .
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