Question
Question: The substance not likely to contain CaCO3 is :...
The substance not likely to contain CaCO3 is :
A
Calcined gypsum
B
Sea shells
C
Dolomite
D
A marble statue
Answer
Calcined gypsum
Explanation
Solution
Calcined gypsum is CaSO4(burnt plaster); sea shells contain CaCO3 and K2CO3; dolomite is MgCO3.CaCO3 and marble contains CaCO3