A) calcined gypsum
B) sea shells
C) dolomite
D) a marble statue
Correct Answer: A
Solution :
Calcined gypsum is \[CaS{{O}_{4}}\] (burnt plaster); sea shells contain \[CaC{{O}_{3}}\] and \[{{K}_{2}}C{{O}_{3}};\] dolomite is \[MgC{{O}_{3}}.CaC{{O}_{3}}\] and marble contains \[CaC{{O}_{3}}\].You need to login to perform this action.
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