Jamb Chemistry Past Questions For Year 2009
Question 36
The gas that is most useful in protecting humans against solar radiation is?
- A. chlorine
- B. ozone
- C. carbon (IV) oxide
- D. hydrogen sulphide
Question 37
The gasification of coke is used for the manufacturing of?
- A. producer gas
- B. natural gas
- C. synthetic gas
- D. industrial gas
Question 38
Which of the following molecules has two other positional isomers?
- A. CH3CH2Br
- B. CH3CHBrCH3
- C. CBr2F2
- D. CH2CHBrCH2Br
Question 39
A cracking process in petroleum refining can be represented by
- A. heptane to heptene
- B. heptane to 3-methylhexane
- C. heptane to propene and butane
- D. heptane to 2,3,3-trimethybutane
Question 40
One of the products of the thermal decomposition of sodium trioxonitrate (V) is?
- A. sodium
- B. nitrogen
- C. sodium dioxonitrate (III)
- D. sodium oxide