A) Calcium carbonate
B) gypsum
C) Dolomite
D) epsom
Correct Answer: B
Solution :
[b] The sulfuric acid (in acid rain) reacts with limestone (or marble) in a neutralization reaction. Limestone and marble buildings sometimes show blackened crusts that have peeled off to reveal crumbling stone beneath it. This black crust is called "gypsum". Gypsum is a mineral that forms from the reaction between calcite, water and sulphuric acid. Gypsum is soluble in water. It is usually washed away with time.You need to login to perform this action.
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