🏫 Board🧪 Chemistry

The correct option for the mass of \(\mathrm{CO}_2\) produced by heating \(20 \mathrm{~g}\) of \(20 \%\) pure limestone …

Q1

The correct option for the mass of \(\mathrm{CO}_2\) produced by heating \(20 \mathrm{~g}\) of \(20 \%\) pure limestone is
(Atomic mass of \(\mathrm{Ca}=40\)u)
\(\left[{\mathrm{CaCO}}_{3}\overset{1200\mathrm{K}}{\to }\mathrm{CaO}+{\mathrm{CO}}_{2}\right]\)

a

1.76 g

b

2.64 g

c

1.32 g

d

1.12 g

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