i. Name the state that produces the largest amount of limestone. ii. State two uses of limestone.
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Q3
A sample of limestone is 20% pure. Find the mass of CO2 produced by decomposing 40g of that sample of limestone.
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Q4
Calculate the mass of CO2 produced by heating 20g of pure limestone (CaCO3).
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Q5
(b) When a piece of limestone reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then a white precipitate Y is formed. On passing excess of gas X, the white precipitate dissolves forming a soluble compound Z. Write equations for the reactions which take place :
(i)when limestone reacts with dilute HCl