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Observe the following reactions (unbalanced):
$P_2O_3 + H_2O \rightarrow X$
$P_4O_{10} + H_2O \rightarrow Y$
The number of $P=O$ bonds present in $X$ and $Y$ are respectively:

Which of the following is the pyrosilicate ion?

Which of the following is an example of a neutral oxide?

Which of the following statements is $NOT$ true?

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Identify the correct statements:
$(I)$ Germanium exists only in traces.
$(II)$ The order of electronegativity of $Si, Ge, Sn$ is $Sn > Ge > Si$.
$(III)$ All group $14$ elements are available in solid state.

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