146.
B is correct as Ethane has the highest critical pressure if you study the last column. Its critical pressure is the highest at 708.
Questions 147 – 148
147.
B is correct as the third line reads: an Executive Luncheon Lecture …
148.
C is correct because The Petroleum Institute of Thailand is inviting the executives.
Questions 149 – 150
149.
C is correct because almost every sentence in the passage tells you about another advantage of zeolite.