Liquid ammonia is used for refrigeration because - Vidyadip

MCQ

Liquid ammonia is used for refrigeration because

A
It has a high dipole moment
✓
It has a high heat of vapourisation
C
It is basic
D
It is a stable compound

✓

Answer

Correct option: B.

It has a high heat of vapourisation

b
(b) Liquid ammonia is used in refrigeration because it has high heat of vaporisation.

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

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The e.m.f. of the cell $Ag|A{g^ + }(0.1\,M)||A{g^ + }(1\,M)|Ag$ at $298 K$ is ........... $\mathrm{V}$

The reaction of Lucas reagent is fast with

Which of the following compound gives $2HCHO,\, CO_2 ,\, HCO_2 H$ when oxidised by periodic acid?

The reaction $A + B\xrightarrow{k}$ product is first order with respect to $A$ and zero order with respect to $B$. If $b_0$ and $b_t$ are the concentration of $B$ at $t = 0$ and after time $t\, sec$ respectively the select the correct relationship -

Which of the following electrons should have the highest value of ionisation energy (for the same value of the principal quantum number)

Arrange acidity of given four compounds in decreasing order :

$(I)$ $\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{C{H_3} - C - C{H_2} - C - C{H_3}}
\end{array}$

$(II)$ $\begin{array}{*{20}{c}}
O \\
{||} \\
{C{H_3} - C - C{H_3}}
\end{array}$

$(III)$ $CH \equiv CH$

$(IV)$ $CH_3-CHO$

Select correct answer from the codes given below :

Codes :

Which is not true about metal carbonyls?

$0.01\,M$ solution each of urea, common salt and $N{a_2}S{O_4}$ are taken, the ratio of depression of freezing point is

The atomic masses of $He$ and $Ne$ are 4 and $20 \ a.m.u$., respectively. The value of the de Broglie wavelength of He gas at $-73^{\circ} C$ is $"M"$ times that of the de Broglie wavelength of $Ne$ at $727^{\circ} C$. $M$ is

Halogenation of alkanes is