Answered

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The following statements about carbon dioxide are true EXCEPT
a. It can be prepared by the action of acid on CaCO₃
b. It is used in fire extinguishers
c. It dissolves in water at room temperature
d. It sublimes rather than melts at 20 ̊C and 1 atm pressure
e. It is a product of photosynthesis in plants

Sagot :

E. Carbon dioxide isn't a product, it's taken in by the plant, oxygen is a product.
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