Jamb Chemistry Past Questions and Answers

Question 1726:

• JAMB 2013

A primary amide is generally represented by the formula

A. RCOOR
B. RCONH ₂
C. RCONHR
D. RCONR ₂

Question 1727:

• JAMB 2013

Which of the following fraction is used as raw material for the cracking process?

A. Kerosine
B. Lubricating oil
C. Bitumen
D. Diesel oils

Question 1728:

• JAMB 2013

An organic compound contains 60% carbon, 13.3% hydrogen and 26.7% oxygen. Calculate the empirical formularn(C=12,H =1, O=16)

A. C ₅H ₁₂O
B. C ₃H ₈O
C. C ₆H ₁₃O ₂
D. C ₄H ₉O

Question 1729:

• JAMB 2013

From the diagram above, an ideal gas is represented by

A. Z
B. W
C. X
D. Y

Question 1730:

• JAMB 2013

In the graph above, the activation energy of the catalyzed reaction is

A. 100KJ
B. 300KJ
C. 250KJ
D. 200KJ