Some Basic Concepts Of Chemistry Question 289
Question: The percentage of nitrogen in urea is about [KCET 2001]
Options:
A) 46
B) 85
C) 18
D) 28
Show Answer
Answer:
Correct Answer: A
Solution:
Urea- $ NH _2-CO-NH _2 $
$ \because $ 60gm of urea contains 28gm of nitrogen
$ \therefore $ 100gm of urea contains $ \frac{28}{60}\times 100=46.66 $ .
