A compound toxic to crop formed by the thermal decomposition of urea is_________________?
Correct answer: B. Biurct (NH2CONH CONH2 H2O)
- A. Uric acid
- B. Biurct (NH2CONH CONH2 H2O)
- C. Diuret
- D. Both b & c
Explanation
When urea is heated, part of it condenses to form biuret, which can injure or inhibit sensitive crops, especially during foliar application. Uric acid and the listed diuret are not the standard toxic thermal-decomposition product of urea.
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