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JEE Main 201226 MayOnline

Exam: JEE Main
Year: 2012
Date: 26 May
Mode: Online
Subject: Chemistry
Chapter: s Block Elements

JEE Main 2012 · 26 May · Online · Chemistry · s Block Elements

Fire extinguishers contain H_2 SO_4 and which one of the following?

Fire extinguishers contain

\mathrm{H}_2 \mathrm{SO}_4

and which one of the following?

Options

A $\mathrm{NaHCO}_3$ and $\mathrm{Na}_2 \mathrm{CO}_3$
B $\mathrm{Na}_2 \mathrm{CO}_3$
C $\mathrm{NaHCO}_3$
D $\mathrm{CaCO}_3^2$

Correct answer

A. $\mathrm{NaHCO}_3$ and $\mathrm{Na}_2 \mathrm{CO}_3$

Step-by-step solution

Fire extinguishers contain a mixture of

\mathrm{Na}_2 \mathrm{CO}_3, \mathrm{NaHCO}_3

and

\mathrm{H}_2 \mathrm{SO}_4

.

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