High purity oxygen in used in which of the mentioned cases?
A. Combustion
B. Medical purposes
C. Chemical reactions
D. Oxidation processes
Answer:B
High purity oxygen in used in which of the mentioned cases?
A. Combustion B. Medical purposes C. Chemical reactions D. Oxidation processes
Explanation: Medical purposes need 100% pure oxygen for respiration whereas the mentioned options take up the available free oxygen.