Chemistry Class 10 Chapter 16 - Chemical Industries - 4

Chemistry Class 10 Chapter 16 - Chemical Industries - 4

1. Which one of the following is used as a raw material for the manufacturing of sodium carbonate?

All of these
Brine
Limestone
Ammonia

2. The world population was ___ in 1965?

2 billion
3.5 billion
3.5 million
1.5 billion

3. By 2050, the world population will reach

10 billion
20 billion
5 billion
25 billion

4. Which one of the following is a natural fertilizer?

Ammonium sulphate
Ammonium phosphate
Manure
Urea

5. Manures are derived from?

None of these
Human wastes
Animal wastes
Both of these

6. Which one of the following has the highest percentage of nitrogen?

Ammonium phosphate
Urea
Supper phosphate
Ammonium sulphate

7. The amount of nitrogen in urea is?

36%
26%
46 %
16%

8. Which one of the following is not the raw material for the manufacture of urea?

All of these
Ammonia
Carbon dioxide
Carbon monoxide

9. Ammonia reacts with carbon dioxide to form?

Ammonium carbamate
Ammonium carbonate
Ammonium nitrate
Ammonium sulphate

10. NH₂ COONH₄ is the formula of? value="a" id="10aq" onClick="Touch(this,10,id)"> Urea
Ammonium nitrate
Ammonia
Ammonium carbamate

This is more feedback!

This is the feedback!