Select the correct statement/s regarding \( \mathrm{CO}_{2} \) I. It is prepared on large scale ...

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Select the correct statement/s regarding \( \mathrm{CO}_{2} \)
I. It is prepared on large scale by the action of water on lime.

II. In the solid form it can be used as a refrigerant.
Select the correct answer using the code given below:
a. I only
b. II only
c. Both I and II
d. None of these
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