Uses of Oxygen.
Stat six uses of Oxygen gas. (6marks)
Suggested resposponses
a. Air enriched with oxygen is used in hospitals by patients with breathing difficulties;
b. When mixed with helium it is used by mountain climbers and deep-sea divers;
c. Oxygen is used to burn fuels such as those used for propelling rockets;
d. A mixture of oxygen and acetylene burns to produce a very hot flame used...
