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What is formaldehyde?

AA colorless liquid with a sweet smell

BA colorless gas with a pungent smell

CA colored gas with a pungent smell

DA colored liquid with a sweet smell

Answer:

B. A colorless gas with a pungent smell

Read Explanation:

  • Formaldehyde is a colourless gas with a pungent smell. It is one of the most common volatile organic compounds (VOCs) found indoors.

  • Formaldehyde is emitted from building materials (e.g. particleboard, plywood, glue, paints) as well as household and personal care products (e.g. drapes, carpets, cleaning products, hair sprays).

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