1.

A lot of dry powder of one of the following chemicals can be released over a fire to extinguished it. This chemical is: A. plaster of Paris B. baking sodaC. washing soda D. bitumen

Answer»

B. baking soda 

To obtain carbon dioxide for extinguishing a fire is to release a lot of dry powder of chemicals like sodium bicarbonate(baking soda) or potassium bicarbonate over the fire.



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