[Ans] who invented the first modern chemical-based handheld fire extinguisher?

Step 1 : Introduction to the question "who invented the first modern chemical-based handheld fire extinguisher?"

The modern fire extinguisher was invented by British Captain George William Manby in 1818; it consisted of a copper vessel of 3 gallons (13.6 liters) of pearl ash (potassium carbonate) solution contained within compressed air.

Step 2 : Answer to the question "who invented the first modern chemical-based handheld fire extinguisher?"

The chemical foam extinguisher was invented in 1904 by Aleksandr Loran in Russia, based on his previous invention of fire fighting foam.

Step 3 : Other interesting facts related to the question "who invented the first modern chemical-based handheld fire extinguisher?"

The soda-acid extinguisher was first patented in 1866 by Francois Carlier of France Loran first used it to extinguish a pan of burning naphtha The foam was a combination of the products of the chemical reactions: sodium and aluminium salt-gels inflated by the carbon dioxide.