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# The metal carbonate which decomposes easily on heating is

$\begin{array}{1 1}(a)\;Na_2CO_3&(b)\;BaCO_3\\(c)\;BeCO_3&(d)\;K_2CO_3\end{array}$

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A)
The metal carbonate which decomposes easily on heating is $BeCO_3$
Hence (c) is the correct answer.