Chemistry Practice Test – Carbon and its Compounds (Questions with Answers and Explanations)

Coal fire should not be used in poorly ventilated rooms because ______ (JAMB 1990)

A. of the accumulation of CO which causes deep sleep
B. it is usually too hot
C. of the accumulation of CO which causes suffocation
D. it removes most of the gases in the rooms

The gasification of coke is used for the manufacture of _____ (JAMB 2008)

A. producer gas
B. natural gas
C synthetic gas
D. industrial gas

The gas that is most useful in protecting humans against solar radiations is ______ (JAMB 2008)

A. chlorine
B. ozone
C. carbon (IV) oxide
D. hydrogen sulphide.

Coal gas ¡s made up of carbon (II) oxide, hydrogen and _____ (JAMB 1997)

A. nitrogen
B. air
C. argon
D. methane.

Al₂O_3(s) + 2H₂SO_4(aq)  Al₂(SO₄)_3(aq) + 3H₂O_(g)

Al₂O_3(s) + 2NaOH_(aq) + 3H₂O_(l)  2NaAl(OH)_3(aq)

We can conclude from the equations above that Al₂O₃ is _____ (JAMB 1993)