Fire extinguishers contain

  • A
    conc. $H_2SO_4$ solution
  • B
    $H_2SO_4$ and $NaHCO_3$ solutions
  • C
    $NaHCO_3$ solution
  • D
    $CaCO_3$ solution

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Similar Questions

Which of the following drying agents reacts with $CO_2$ and also removes moisture?

Given below are two statements,one is labelled as Assertion $A$ and the other is labelled as Reason $R$.
Assertion $A:$ Isotopes of hydrogen have almost same chemical properties,but difference in their rates of reaction.
Reason $R:$ Isotopes of hydrogen have different enthalpy of bond dissociation.
In the light of the above statements,choose the most appropriate answer from the options given below:

Match the following:
List-$I$List-$II$
$A$. Electron-deficient hydride$I$. $CH_4$
$B$. Electron-precise hydride$II$. $B_2H_6$
$C$. Electron-rich hydride$III$. $CaH_2$
$D$. Saline hydride$IV$. $NiH_{0.6}$
$V$. $PH_3$

Which of the following statements is most applicable to hydrogen?

Which of the following is used to dry ammonia gas?

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