Question

What is the chemical formula of dry ice?

• A. CO
• B. CO\textsubscript{2}
• C. H\textsubscript{2}O
• D. H\textsubscript{2}O\textsubscript{2}

Hint:

Dry ice is widely used for cooling and fog effects in stage shows.

Answer 1

The Correct Option is B

Step 1: Definition.
Dry ice is the solid form of carbon dioxide.
Step 2: Explanation.
It is called "dry" because it sublimates directly into gas without becoming liquid.
Step 3: Conclusion.
Thus, formula of dry ice is CO\textsubscript{2}.