Hamad Common Chemical Industries 01/04/2021 A. lime stone B. marble C. chalk D. all of the above Related Mcqs: Addition of urea to the soil is ____________ reaction?A. endothermic B. exothermic C. both a and b D. no heat energy is involved... The cooling of molten urea by air in the tower is called______________________?A. prilling B. evaporation C. condensation D. crystallization... Which one of the following set of raw material is most suitable for manufacture of urea ?A. CH4 N2 and CO2 B. H2 N2 and CO C. H2 CO2 and H2O D. H2O N2 and H2... Which one of the following is an inorganic fertilizer ?A. manure B. urea C. ammonium nitrate D. All... 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...
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