Question 14
Fill in the blanks with appropriate options and answer the given subquestions.
Dry ice is often used for (1) _____ purposes. It is also used in fog machines in theatres and events for pulling off (2) _____ effects. One of its advantages is its temperature, which is (3) ____ than that of water ice. Since dry ice sublimates easily at normal pressure, it is too (4) _____ to be handled without protection and can cause frostbite injuries. Precaution is needed when packing dry ice into a (5) _____ for transporting.
Choose the correct answer for (4).
Cooler
Coldest
Cold
Cooling