MCQ
Which is a common standard for calibrating a bomb calorimeter in teaching laboratories?
  • A
    Acetic acid
  • Benzoic acid
  • C
    Picric acid
  • D
    Phenol

Answer

Correct option: B.
Benzoic acid
In teaching laboratories, benzoic acid is a common standard for calibrating a bomb calorimeter.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Assertion : Magnetic moment of $Dy$ is highest among lanthanoids.

Reason : Orbital motion contributes magnetic moment.

Which of the Phosphorus oxoacid can create silver mirror from $AgNO _3$ solution ?
Assuming $1\,\mu\,g$ of trace radioactive element $X$ with a half life of $30$ years is absorbed by a growing tree. The amount of $X$ remaining in the tree after $100$ years is $\times 10^{-1}\,\mu\,g$ $[ Given : \ln 10=2.303 ; \log 2=0.30]$
$\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{A} \xrightarrow{{4\,KO{H_1}{O_2}}}\mathop {2\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{B} }\limits_{(Green)}  + 2{H_2}O$

$3\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{B} \xrightarrow{{4\,HCl}}\mathop {2C}\limits_{(Purple)}  + Mn{O_2} + 2{H_2}O$

$3\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{C} \xrightarrow{{{H_2}O,KI}}2\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{A}  + 2KOH + \underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{D} $

In the above sequence of reactions, $\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{A}$ and $\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{D} $ ,  respectively are

Which is the correct reactivity order for $E_2$ reaction with alcoholic $KOH$ ?
Half-life period of a first order reaction is $1386$ seconds. The specific rate constant of the reaction is
Noble gases are group of elements which exhibit very
Diazo-coupling is useful to prepare some
Benzoic acid is less acidic than salicylic acid because of
Which reagents can be used to distinguish glucose and fructose ?

$(I)$ Bromine water

$(II)$ Tollen's reagents

$(III)$ Shiff's reagent