Is this reaction exothermic or endothermic? Explain your answer.
The reaction is reversible. Which feature of the equation indicates that this reaction is reversible?
On the diagram, place the letter C to mark where the waste gases leave the furnace, and the letter L to show where the lime is taken out of the furnace.
Suggest why coke (carbon) is added to the furnace.
Explain why farmers apply lime to acidic soils.
Describe the test for sulfate ions. Give the test and the result.
Deduce the formula of this silicate.
What is the most likely pH of a strongly alkaline solution? Draw a ring around the correct answer: pH 2, pH 6, pH 7, pH 12.
Complete the equation for this reaction. $\text{Ca(OH)}_2 + \text{CO}_2 \rightarrow \text{CaCO}_3 + \ldots$
Use the information in (e)(i) and (e)(ii) to help explain these observations.