Which of the following is physical adsorption?
A. Adsorption of H2 on nickel
B. Friedel crafts reaction
C. Synthesis of SO3 in the presence of NO
D. Corrosion of iron
Answer:A
Which of the following is physical adsorption?
A. Adsorption of H2 on nickel B. Friedel crafts reaction C. Synthesis of SO3 in the presence of NO D. Corrosion of iron