23.

22. (a) The set-up below was used to prepare ethyne gas (i) Identify solid E (ii) Complete the diagram to show how the gas can be collected (iii) Write an equation to show how the gas is formed (iv) Complete the equation below: C2H2 + 212 (v) What is the role of sand in the experiment? (b) (i) Explain the meaning of esterification (ii) Complete the equation below: CH3COOCH3 + H2O (iii) What type of reaction is occurring above (c) Given the reaction: C8H18 Solid F N+ C2H4 N. (i) Identify substance: F...... (ii) Name the process represented above? (d) Give one use of substance N