Question

1. what is it called when a gas turns into a liquid?

a. melting
b. freezing
c. boiling
d. condensation
e. none of the above

Explanation:

To solve this, we analyze each option:

• Option a: Melting is solid to liquid, not gas to liquid. Eliminate.
• Option b: Freezing is liquid to solid, not gas to liquid. Eliminate.
• Option c: Boiling is liquid to gas, opposite of what's asked. Eliminate.
• Option d: Condensation is the process where gas changes to liquid. This matches the question.
• Option e: Since d is correct, e is wrong.

Answer:

d. Condensation