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. 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 1 of 15

Question 2 of 15

2. 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 2 of 15

Question 3 of 15

3. Why do farmers and gardeners often treat soil with ammonia sulphate:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

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

Question 4 of 15

Question 5 of 15

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

Question 5 of 15

Question 6 of 15

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

Question 6 of 15

Question 7 of 15

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

Question 7 of 15

Question 8 of 15

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

Question 8 of 15

Question 9 of 15

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

Question 9 of 15

Question 10 of 15

10. 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 10 of 15

Question 11 of 15

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

Question 11 of 15

Question 12 of 15

12. Sulphuric acid is king of chemicals, in its reactions it generally not act as
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. Final step in the nitric acid production is:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

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

Question 15 of 15


 

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