Chemical Industries

MM

Mashaal Masha

Oct 20, 2022

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

Sign in and upgrade to continue reading.