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

Question 1 of 15

Question 2 of 15

2. The catalyst V2O5 used in contact process is employed during:
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Which of the following fertilizer provides to soil 75% neutrients
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

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

Question 4 of 15

Question 5 of 15

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

Question 5 of 15

Question 6 of 15

6. Which one of the following statement is correct for urea?
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Which one is the most important use of nitric acid?
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Nitrates from fertilizers used on farmland can cause pollution. Why do nitrates pollute rivers:
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. Maximum ammonia is used for the
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

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

Question 11 of 15

Question 12 of 15

12. 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 12 of 15

Question 13 of 15

13. The nitrogen present in some fertilizers helps plants:
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. The steps involved in the manufacture of HNO3:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

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

Question 15 of 15


 

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