(a)[1]
What does the term element mean?
(b)[2]
Give one source of sulfur and one use for sulfur.
(c)[1]
What is the name for this change of state when sulfur vapour touches a cold surface and becomes a solid immediately?
(d)[5]
State the sources of these gases. Describe the effects of these pollutants on the environment. Describe the effects of these pollutants on health.
(e)[3]
Suggest how you could obtain a pure dry sample of sulfur from a mixture of sulfur powder and zinc powder.