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.Management Sciences
Category: Common Chemical Industries
Which one of the following statement is correct for urea ?
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
Which of the following processes is used for the synthesis of cement ?
A. dry process
B. wet process
C. both
D. none
The important function of burning zone in the rotary kilm is __________________?
A. to dry the moisture of slurry
B. to decompose lime stone to unslaked lime
C. combination of different oxides like CaO SiO2 Fe2O3 and Al2O3
D. to reduce the impurities
The nutrients which are required in very small amount for the normal growth of plants are called_________________?
A. nitrogenous fertilizers
B. micronutrients
C. phosphorus fertilizer
D. all of the above
The fertilizers which provide single nutrient from NPK are called ___________ fertilizer?
A. straight
B. compound
C. both a and b
D. none of the above
Which one of the following raw material is not present in the cement ?
A. lime stone
B. gypsum
C. KNO3
D. iron oxide
The potassium present in plant help the plant to___________________?
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
Which of the following fertilizers is not useful for paddy rice ?
A. urea
B. DAP
C. Ammonium sulphate
D. Ammonium nitrate
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