按要求写出下列方程式：

（1）一种单质与一种盐发生反应的方程式：______

（2）小苏打电离的电离方程式：______

（3）碳酸钙与盐酸反应的离子方程式：______．

(b) Compute the corporation tax liability of Clouds Ltd for the years 2008 and 2009 making maximum use of all available loss reliefs at the earliest opportunity. Your answer should include a loss table showing the order of allocation of losses and any unused losses to be carried forward. (9 marks)