Chemistry Class 10 Chapter 16 - Chemical Industries - 5

Chemistry Class 10 Chapter 16 - Chemical Industries - 5

1. Distillation of ammonium carbamate gives?

Uric acid
Urea
Ammonia
Ammonium sulphate

2. How many amino groups are present in urea?

3
5
4
2

3. NH₂ CO NH₂ is the formula of?

Ammonium sulphate
Ammonium carbamate
Urea
Ammonium nitrate

4. Molecular mass of ammonium sulphate is?

132
60
40
80

5. The percentage of nitrogen in ammonium nitrate is?

70%
20%
46%
35%

6. The molecular mass of urea is?

70
100
80
60

7. NH₄ NO₃ is the formula of?

Ammonium sulphate
Ammonium carbamate
Urea
Ammonium nitrate

8. Percentage of nitrogen in ammonium sulphate is?

80%
35%
21%
46%

9. Molecular mass of ammonium nitrate is?

80
132
98
60

10. Latin word 'petra' means?

Rock
Water
Air
Oil

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