Chemistry and Industry - Jamb Chemistry Past Questions and Answers

Question 126:

• JAMB 2008

Use the diagram to answer this question.The colour of the fountain water is

A. Blue
B. Orange
C. Red
D. Yellow

Question 127:

• JAMB 2009

Which quantum number divides shells into orbitals?

A. Principal
B. Arzimuthal
C. Magnetic
D. Spin

Question 128:

• JAMB 2009

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 129:

• JAMB 2010

A compound gives an orange-red colour to non-luminous flame. This compound is likely to contain

A. Na⁺
B. Ca²⁺
C. Fe³⁺
D. Fe²⁺

Question 130:

• JAMB 2010

The residual solids from the fractional distillation of petroleum are used as

A. Coatings of pipes
B. Raw materials for the cracking process
C. Fuel for the driving tractors
D. Fuel for jet engines