The B.E.T. theory was proposed in the year?
A. 1940
B. 1935
C. 1938
D. 1945
Answer:C
The B.E.T. theory was proposed in the year?
A. 1940 B. 1935 C. 1938 D. 1945
Explanation: Brunauer, Emmett and Teller proposed a theory in 1938 which is known as B.E.T. theory.