Salt cake is chemically represented by A Na<sub>2</sub>SO<sub>4</sub> B CaSO<sub>4</sub>.$$\frac{1}{2}$$ H<sub>2</sub>O C MgSO<sub>4</sub> D BaSO<sub>4</sub> Salt cake is chemically represented by Correct Answer Na<sub>2</sub>SO<sub>4</sub> Bissoy MCQ Team Chemical Engineering Chemical Process