state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Chemistry Some Basic Concepts of Chemistry
The right option for the mass of CO2 produced by heating 20 g of 20% pure limestone is (Atomic mass of Ca = 40)
\(\left[\mathrm{CaCO}_3 \xrightarrow{1200 \mathrm{~K}} \mathrm{CaO}+\mathrm{CO}_2\right]\)
1
1.12 g
2
1.76 g
3
2.64 g
4
1.32 g
5
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