Chemistry Elements of Biological importance Test Online Mcqs Preparation

Chemistry Elements of Biological importance Test Online Mcqs Preparation With Answers Start Below

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Question 1 of 15

1. Sulphuric acid is king of chemicals, in its reactions it generally not act as
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. Final step in the nitric acid production is:
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Acid rain can be due to the absorption of:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. Oleum is prepared by:
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. In Contact process for the manufacture of sulfuric acid, the most important reaction occurs in the catalyst chamber. Which set of the reactants and the catalyst are correct
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. Inorganic compound of nitrogen are not commonly found as minerals because
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Nitric acid is prepared commercially by:
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. For plants to grow well they need soils which contain compounds of:
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. The manufacturing of nitrogenous fertilizer’s from ammonia is the result of:
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Which of the following step is not involved in NH4NO3 manufacturing
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. Which of the following is not primary pollutant?
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. The contact process was first developed by:
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Sulfuric acid is not prepared by dissolving SO3 in water because:
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. When we mix SO3 with conc. H2SO4 in contact process, the product obtained is:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. In Harber’s process maximum ammonia can be achieved by reducing temperature, but on contrary we maintain high temperature of 400°C because
A.
B.
C.
D.

Question 15 of 15


 

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