In foam type fire extinguisher, which of the following products are formed?

$A l_{2} (S O_{4})_{3} + 6 N a H C O_{3} \to$ ?

2 A l (O H)_{3} + 6 H_{2} O + 3 N a S O_{4}

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2 A l (O H)_{3} + 6 C O + 3 N a S O_{4}

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2 A l (O H)_{3} + 6 O_{2} + 3 N a S O_{4}

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2 A l (O H)_{3} + 6 C O_{2} + 3 N a_{2} S O_{4}

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Solution

The correct option is D $2 A l (O H)_{3} + 6 C O_{2} + 3 N a_{2} S O_{4}$
Aluminium sulfate reacts with sodium bicarbonate to which foam stabilizer has been added, producing carbon dioxide for fire extinguishing foams. aluminum sulfate is used as a foaming agent in firefighting foam.
$A l_{2} (S O_{4})_{3} + 6 N a H C O_{3} \to 2 A l (O H)_{3} + 3 N a_{2} S O_{4} + 6 C O_{2} ↑$

Hence, the correct option is $D$

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