Tea or coffee is sipped from a saucer when it is hot. Why? - Vidyadip

Question

Tea or coffee is sipped from a saucer when it is hot. Why?

✓

Answer

It is done so as to increase surface area. The greater the surface area, the more will be rate of evaporation and more cooling takes place.

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

More "2 Marks Questions" from States of Matter→States of Matter — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Hydrocarbon A (molecular formula is $C _5 H _8$ ) gave a white precipitate with ammoniacal silver nitrate. Oxidation of A with hot alkaline $KMnO _4$ gave 2-methyl propanoic acid. What is the structural formula of A?

Indicate the $\sigma$ and $\pi$ bonds in the following molecules:$\mathrm{CH}_2=\mathrm{C}=\mathrm{CH}_2$.

What do you meant by sublimation?

The ionisation energy of H-atom (in the ground state) is x kJ. Find the energy required for an electron to jump from second to third energy level.

What is the total number of electrons in $\text{NO}^-_ 3?$

The electronic configuration of valence shell of Cu is $3 d^{10} ~4 s^1$ and not $3 d^9 ~4 s^2$. How is this configuration explained?

What would be IUPAC names and symbols for elements with atomic numbers 122, 127, 135, 149 and 150?

$\text{A}+\text{B}\rightleftharpoons\text{AB};\text{K}=1\times10^2$
$\text{E}+\text{F}\rightleftharpoons\text{EF};\text{K}=1\times10^{-3}$
Out of AB and EF, which one is more stable AB or EF?

Can we use KCl as electrolyte in the salt bridge of the cell, $\mathrm{Cu}(\mathrm{s}) \mid \mathrm{Cu}^{2+}(\mathrm{aq})\left\|\mathrm{Ag}^{+}(\mathrm{aq})\right\| \mathrm{Ag}(\mathrm{s})$ ?

How would you explain the following observations?
BeO is almost insoluble but $\mathrm{BeSO}_4$ is soluble in water