Common Chemical Industries

A. 36%
B. 46%
C. 56%
D. 66%

A. CH4 N2 and CO2
B. H2 N2 and CO
C. H2 CO2 and H2O
D. H2O N2 and H2

A. 4
B. 3
C. 2
D. 5

A. dry process
B. wet process
C. both
D. none

A. lime stone
B. marble
C. chalk
D. all of the above

A. 60%
B. 65%
C. 70%
D. 75%

A. prilling
B. evaporation
C. condensation
D. crystallization

A. endothermic
B. exothermic
C. both a and b
D. no heat energy is involved

A. straight
B. compound
C. both a and b
D. none of the above

A. Rotation of the crops
B. Adding lime to the acid salts
C. Adding manure and growing legumes
D. All