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Choose a Page:What are molecules?What is the difference between a m...*What chemicals are used in fire ex...*How do soaps and detergents work?How are chemicals made?What are crystals?What is chemical analysis? What chemicals are used in fire extinguishers? Carbon dioxide extinguishers send out a jet of carbon dioxide gas. Dry powder extinguishers blanket a fire with powder. Soda-acid extinguishers mix sulphuric acid with sodium carbonate, making carbon dioxide gas which forces out a jet of water.   Previous: Back Book: Best Ever Q&A Section: Science & Technology Chapter: Chemicals & Matter