MCQ
Glass is a
  • A
    Micro-crystaline solid
  • Super cooled liquid
  • C
    Gel
  • D
    Polymeric mixture

Answer

Correct option: B.
Super cooled liquid
b
Glass is a supercooled liquid. Supercooling is a process of lowering the temperature of a liquid or a gas below its freezing point without it becoming a solid.

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

Cathode rays are
Assertion : Electron affinity refers to an isolated atom’s attraction for an additional electron while electronegativity is the ability of an atom of an element to attract electrons towards itself in a shared pair of electrons.
Reason : Electron affinity is a relative number and electronegativity is experimentally measurable.
Two electrons occupying the same orbital are distinguished by:
Heat of neutralisation of $NaOH$ and $HCl$ is $-57.46\, kJ/eq.$ Then heat of ionisation of water in $kJ/mol$ is
The electronic configuration of a dipositive ion $M^{2+}$ is $2,8, 14$ and its atomic mass is $56.$ The number of neutrons in the nucleus would be :
Two elements $X$ and $Y$ have atomic weights of $14$ and $16$. They form a series of compounds $A, B, C, D$ and $E$ in which the same amount of element $X$, $Y $ is present in the ratio $1 : 2 : 3 : 4 : 5$. If the compound $A$ has $28$ parts by weight of $X $ and $16$ parts by weight of $Y$, then the compound of $C$ will have $28$ parts weight of $X$ and
In an atom, an electron is moving with a speed of $600 m / s$ with an accuracy of $0.005 \%$. Certainty with which the position of the electron can be located is $\left( h =6.6 \times 10^{-34} Js \right)$ ?
Which of the following is a Lewis base
The spin-only magnetic moment value of $\mathrm{B}_{2}^{+}$ species is $......\,\times 10^{-2} \,\mathrm{BM}$. (Nearest integer)

[Given : $\sqrt{3}=1.73$ ]

The electronic energy levels of the hydrogen atom in the Bohr’s theory are called