Calcium carbonate (CaCO3) is heated and decomposes to form calcium oxide (CaO) and carbon dioxide (CO2). CaCO3 CaO + CO2 Which statement is true about the difference between calcium carbonate and calcium oxide?
A.
Calcium oxide has different physical properties and different chemical properties.
B.
Calcium oxide has different physical properties and the same chemical properties.
C.
Calcium oxide has the same physical properties and the same chemical properties.
D.
Calcium oxide has the same physical properties and different chemical properties.
Answers
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Answer:
c is the correct answer
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Calcium oxide has different physical properties and different chemical properties.
Explanation:
- The chemical properties and physical properties of the compounds depend on the composition of the compound.
- The composition of the compounds are different from compounds to compounds.
- The composition of the calcium oxide is CaO and that of the calcium carbonate is CaCO3.
- So they have different physical and chemical properties.
- Calcium oxide reacts with carbon dioxide to form calcium carbonate.
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