Identify the incorrect statement.

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Question

(A) The statement '$CO$ is used in the manufacture of Urea' is incorrect. In the industrial production of urea,$NH_3$ and $CO_2$ are used as raw mater

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$CO$ is used in the manufacture of Urea.

Vedclass · Answer

(A) The statement '$CO$ is used in the manufacture of Urea' is incorrect. In the industrial production of urea,$NH_3$ and $CO_2$ are used as raw materials,not $CO$. The reaction is: $2NH_3 + CO_2 \rightarrow NH_2CONH_2 + H_2O$. Quartz is indeed a piezoelectric material. Silicones are synthetic polymers used as electrical insulators due to their high thermal stability and water-repellent nature. $ZSM-5$ is a type of zeolite catalyst used in the petrochemical industry to convert alcohols directly into gasoline.

List-$I$ (Compound)	List-$II$ (Silicate)
$A$. Zircon $(ZrSiO_4)$	$P$. Ring/Cyclic
$B$. Talc $(Mg_3(OH)_2(Si_2O_5)_2)$	$Q$. Ortho
$C$. Thortveitite $(Sc_2Si_2O_7)$	$R$. Pyro
$D$. Benitoite $(BaTiSi_3O_9)$	$S$. Sheet

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Match the following:

List-$I$ (Compound) List-$II$ (Silicate)

$A$. Zircon $(ZrSiO_4)$ $P$. Ring/Cyclic

$B$. Talc $(Mg_3(OH)_2(Si_2O_5)_2)$ $Q$. Ortho

$C$. Thortveitite $(Sc_2Si_2O_7)$ $R$. Pyro

$D$. Benitoite $(BaTiSi_3O_9)$ $S$. Sheet

The formula of $3$ membered discrete chain silicate is

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