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How does gypsum help in reducing the salinity of soil?
(a)By increasing the water retention in soil
(b)By providing calcium and sulfate to the soil
(c)By reducing the salt content in the soil
(d)By decreasing the water retention in soil

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Important Questions on Chemistry in Everyday Life
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The chemical formula of gypsum is _____.
Choose from the following:
A:
B:


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