Soda acid for extinguisher contains:

sodium carbonate and nitric acid

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sodium hydrogen carbonate and sulphuric acid

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sodium carbonate and carbonic acid

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sodium chloride and sulphuric acid

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Solution

The correct option is B sodium hydrogen carbonate and sulphuric acid
Soda acid for extinguisher contains sodium hydrogen carbonate and sulphuric acid. The reaction between sodium bicarbonate solution and sulfuric acid expels pressurized water onto a fire.
$2 N a H C O_{3} + H_{2} S O_{4} \to N a_{2} S O_{4} + 2 H_{2} O + 2 C O_{2}$

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