Test Index

SSC CGL Model Paper 1

Question : 40 of 100

Marks: +1, -0

Which one of the following pairs is not correctly matched?

$\begin{array}{c c c} \text{ Dry ice } & \text{:} & \text{Solid carbon dioxide} \end{array}$
$\begin{array}{c} \text{Mustard gas:Poisonous liquid used in chemicalwarfare} \end{array}$
$\begin{array}{c c c} \text{ Teflon } & \text{:} & \text{Polymer containing fluorine} \end{array}$
$\begin{array}{c c c} \text{ Fullerene} & \text{:} & \text{Organic compounds containing fluorine } \end{array}$

Solution:

Dry Ice - We can simply say that Dry ice is solid Carbon dioxide CO

_2

. It is used as a cooling agent.

Mustard gas - It is used as a strong chemical weapon. This mortally chemical affects skin, leering eye, lungs and D.N.A. which affects the cells most.

Teflon- Its commercial name is Polytetra Fluoroethylene. Teflon is a Fluorine containing the polymer.

Fullerene - Fullerene is an allotrope of the carbon family in which fully carbon atoms are integrated.

It is denoted by

\mathrm{C}_{60}

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