Q: What form does formaldehyde take at room temperature?


Read this paragraph and choose the correct option from the provided answers:

Formaldehyde is a gas at room temperature. Acetaldehyde boils at 20°C; in an open vessel, it boils away in a warm room. Most other common aldehydes are liquids at room temperature.

 Choices:

- solid

- liquids

- plasma

- gas


A:
gas