Question : Dry ice is
Option 1: Solid ammonia
Option 2: Solid sulphur dioxide
Option 3: Dry carbon dioxide
Option 4: Solid carbon dioxide
Correct Answer: Solid carbon dioxide
Solution : The correct answer is Solid carbon dioxide.
Solid carbon dioxide is known as dry ice. It is used to preserve at very low temperatures and preserving materials without moisture or presence of water. It also increases the shelf life of the products. It is widely used in pharmaceutical industry to transport cavvines, blood samples, and other sensitive materials that require low temperatures.