Common Chemical Industries

A. it is a synthetic fertilizer
B. it is a natural fertilizer
C. it provides micronutrients to the plants
D. it is an inorganic water soluble compound

A. dry zone burning zone decomposition zone cooling zone
B. cooling zone burning zone decomposition zone dry zone
C. burning zone cooling zone decomposition zone
D. dry zone decomposition zone burning zone cooling zone

A. lime stone
B. gypsum
C. KNO3
D. iron oxide

A. root
B. leave
C. stem
D. seed

A. roasted calcareous material
B. roasted argillaceous material
C. roasted calcareous and argillaceous material
D. roasted gypsum

A. form starch sugar and fibrous material
B. ripen the seeds and fruits
C. increase the resistance against disease
D. all the above statements are correct

A. manure
B. urea
C. ammonium nitrate
D. All

A. nitrogenous fertilizers
B. micronutrients
C. phosphorus fertilizer
D. all of the above

A. vlay
B. marine shells
C. slate
D. blast furnace slag

A. KCI
B. KNO3
C. K2SO4
D. KMnO4