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

Question 1 of 15

Question 2 of 15

2. Acid rain
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. Which one of the following statement is correct for urea?
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. During the manufacture of ammonia by Haber’s process, a high yield is favoured by high pressure and low temperature. However, in practice, a high temperature of 450°C is employed because:
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. The contact process was first developed by:
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. Which of the following fertilizer provides to soil 75% neutrients
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

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

Question 9 of 15

Question 10 of 15

10. For plants to grow well they need soils which contain compounds of:
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. In Antarctica, ozone depletion is due to the formation of compound
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

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

Question 13 of 15

Question 14 of 15

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

Question 14 of 15

Question 15 of 15

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

Question 15 of 15


 

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