The last time you scrubbed a streaky window or polished a porcelain appliance, you probably used a chemical called ammonia.

Reader’s Digest: Metin Karayilan, assistant professor in the Department of Chemistry, discussed the use of household ammonia for cleaning purposes, including what safety precautions should be taken.

This powerful cleaning agent is a secret weapon for eliminating sticky buildup on kitchen surfaces, but you do need to take some precautions. Household ammonia is a powerful cleaning agent that is ...