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

Question 1 of 15

Question 2 of 15

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

Question 2 of 15

Question 3 of 15

3. In Antarctica, ozone depletion is due to the formation of compound
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

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

Question 4 of 15

Question 5 of 15

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

Question 5 of 15

Question 6 of 15

6. The temperature at which nitrogen oxidized to NO during HNO3 production is:
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. Which of the following occurs in Contact process:
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Maximum ammonia is used for the
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Acid rain
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

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

Question 10 of 15

Question 11 of 15

11. 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 11 of 15

Question 12 of 15

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

Question 12 of 15

Question 13 of 15

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

Question 13 of 15

Question 14 of 15

14. In contact process SO3 manufacturing is favour at low temperature but in actual practice the reaction is carried out at 400-600°C the reason is that:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. Nitrates from fertilizers used on farmland can cause pollution. Why do nitrates pollute rivers:
A.
B.
C.
D.

Question 15 of 15


 

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