Online MCQs – Organic Chemistry – Chemistry 10th

Class 10th | Chemistry | Chapter 3 | Organic Chemistry | Solved Online MCQs Test

Online MCQs Test of Chapter 3 (Organic Chemistry) Chemistry Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus of Sindh Board

1. Alkenes:

 
 
 
 

2. Organic compounds have _______ different sorts of formulae.

 
 
 
 

3. Polyethene is:

 
 
 
 

4. More than ____________ organic compound (carbon compounds) exist.

 
 
 
 

5. Which of the following is a saturated hydrocarbon?

 
 
 
 

6. It is the capacity of atoms to build long chains and huge rings by linking with other similar atoms.

 
 
 
 

7. It is the key element in all organic compounds.

 
 
 
 

8. Benzene is a/an:

 
 
 
 

9. Which one indicates the exact number of atoms in one molecule of an organic compound?

 
 
 
 

10. The prefix \’hept\’ stands for the __________ carbon atoms.

 
 
 
 

11. The rate of reactivity of organic compounds is:

 
 
 
 

12. The functional group -COOH is used for:

 
 
 
 

13. Acetic acid is obtained from:

 
 
 
 

14. CH3 – CH2 – is radical.

 
 
 
 

15. Molecular formula of butane is:

 
 
 
 

16. It is an organic compound excreted in the urine of mammals.

 
 
 
 

17. If two compounds have the same molecular formula but distinct atom arrangements in their molecules or different structural formulas, they are said to be:

 
 
 
 

18. Vital force Theory was introduced by:

 
 
 
 

19. Which one of these statements is TRUE?

 
 
 
 

20. In organic compounds after carbon, the most frequently used element is:

 
 
 
 


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