E. Tick the most appropriate answer:
4. When red lead oxide is heated strongly, it forms lead monoxide and oxygen gas. The colour of lead monoxide is
yellow
white
red
blue
Question 33 Write a balanced chemical equation for each of the following reactions and also classify them.
(a) Lead acetate solution is treated with dilute hydrochloric acid to form lead chloride and acetic acid solution.
(b) A piece of sodium metal is added to absolute ethanol to form sodium ethoxide and hydrogen gas.
(c) Iron (III) oxide on heating with carbon monoxide gas reacts to form solid iron and liberates carbon dioxide gas.