Which of the following statements is correct? (a) Production of syngas from coal is called coal ...

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Which of the following statements is correct?
(a) Production of syngas from coal is called coal gasification.
(b) \( \mathrm{CO}(\mathrm{g})+\mathrm{H}_{2} \mathrm{O} \) (g) \( \underset{\text { catalyst }}{\stackrel{67 \mathrm{~K}}{\longrightarrow}} \mathrm{CO}_{2}(\mathrm{~g})+\mathrm{H}_{2} \) (g) represents water gas shift reaction.
(c) \( \mathrm{CO}_{2} \) formed in water gas shift reaction is removed by scrubbing with sodium zincate solution.
(d) Both (a) and (b)
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