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Chemistry
Fire extinguishers contain H2SO4 and which one of the following?
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Q. Fire extinguishers contain $H_2SO_4$ and which one of the following?
AIEEE
AIEEE 2012
The s-Block Elements
A
$NaHCO_3$ and $Na_2CO_3$
40%
B
$Na_2CO_3$
13%
C
$NaHCO_3$
27%
D
$CaCO_3$
20%
Solution:
Fire extinguishers contain a mixture of $Na_2CO_3$, $NaHCO_3$ and $H2SO_4$.