Choose the correct answer based on gypsum and epsom — task. Science State Board, Class 6.

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Choose the correct answer based on the topic gypsum and epsom:

1. The chemical formula for epsom salt is __________.

${Fe}_{2} O_{3}$
${CaSO}_{4} \cdot {2 H}_{2} O$
${MgSO}_{4} \cdot {7 H}_{2} O$

2. __________ are mostly found in sedimentary rocks along with minerals such as halite, and borax.

None of these
Gypsum
Epsom salt

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