MM
Mashaal Masha
Oct 20, 2022
Table of Contents
Choose the correct options for the following questions.
Percentage of nitrogen in urea is
Difficulty: Easy
A:
68%
B:
46%
C:
48%
D:
92%
The zone where moisture is removed and clay is broken down into $\rm{Al_{2}O_{3}}$, $\rm{SiO_{2}}$, $\rm{Fe_{2}O_{3}}$ is
Difficulty: Easy
A:
Cooling zone
B:
Burning zone
C:
Decomposition zone
D:
Drying zone
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