Urea is prepared by the chemical reactions of
A. Ammonium sulphate and calcium chloride
B. Ammonia and carbon dioxide
C. Chlorine and water
D. Acetamide and ethyl alcohol
Answer: Option B
A. Ammonium sulphate and calcium chloride
B. Ammonia and carbon dioxide
C. Chlorine and water
D. Acetamide and ethyl alcohol
Answer: Option B
A. Trade winds
B. Hurricane
C. Cirrus
D. Stratus
A. Goa
B. Uttar Pradesh
C. Kerala
D. Andhra Pradesh
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