RRB Group D 3-Oct-2018 Shift 3 Solved Paper

Question : 17 of 100

Marks: +1, -0

In the following chemical reaction what product is represented by X?

{\CaCO}_ 3 → ↖{\heat} {\CaO}+{\X}

Solution:

{\CaCO}_ 3 → ↖{\heat} {\CaO}+{\CO_2}

Hence ,

\X=\CO_2

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