MCQ Questions for Class 10 Science Chapter 4 Carbon and Its Compounds with Answers

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MCQ Questions for Class 10 Science Chapter 4 Carbon and Its Compounds with Answers 



1. Name of the molecule having formula C3H8





ANSWER= C. Propane

 

2. C2H2 Called………..





ANSWER= C. Ethane

 

3. Formula of hexane





ANSWER= B. C6H14

 

4. Compounds with ………………….molecular formula with different structures called…………….





ANSWER= C. Same, monomeric structures

 

5. Compounds which contain only carbon and hydrogen called………..





ANSWER= A. Hydrocarbons

 

6. functional group of alcohol.





ANSWER= B. –OH

 

7. name the compound CH3OH.





ANSWER= A. Methanol

 

8. General formula of alkane.





ANSWER= B. CnH2n+2

 

9. General formula of Alkene.





ANSWER= A. CnH2n

 

10. General formula of alkyne.





ANSWER= C. CnH2n-2

 

11. Three carbon chain with ketone functional group would name in following .





ANSWER= D. Propanoate

 

12. C3H7Cl called……





ANSWER= A. Chloropropane

 

13. Class of compound with suffix ‘al’





ANSWER= A. Aldehyde

 

14. The earth’s crust has only ………… carbon in the form of minerals.





ANSWER= A. 0.02%

 

15. Ionic compounds have does not show below property.





ANSWER= C. Conduction of electricity in solid state

 

16. Electronic configuration of Carbon





ANSWER= B. 2 4

 

17. Compound which made of carbon called as……………





ANSWER= B. Organic compound

 

18. Carbon compound shows ………………… bonding.





ANSWER= C. Covalent

 

19. 2 electron in outer shell. Name the noble gas of element.





ANSWER= B. Helium

 

20. Atomic number of Cl.





ANSWER= C. 17

 

21. Only 6 electron present in outermost L shell .name the element





ANSWER= D. Oxygen

 

22. N2 have ……….bond





ANSWER= C. Triple bond

 

23. Ammonia shows the following formula.





ANSWER= A. NH3

 

24. Bond which are formed by the sharing of an Electron pair between two atoms are known as…….





ANSWER= C. Covalent

 

25. Covalent compounds are ………………… conductors of electricity.





ANSWER= A. Poor

 

26. Rigid Three dimensional structure of carbon allotrope forming 4 bond with each carbon.





ANSWER= B. Diamond

 

27. C60 .give the name of carbon allotrope





ANSWER= B. Fullerene

 

28. ……………. Is a allotrope of carbon showing very good property of conduction of electricity.





ANSWER= C. Graphite

 

29. Carbon forming bonds with other carbon compound tis unique type of property called as…





ANSWER= A. Catenation

 

30. Carbon compounds with single bond called……….





ANSWER= C. Saturated compounds

 

31. Carbon compounds with double or triple bond called……….





ANSWER= A. Unsaturated compound

 

32. Methane is………..





ANSWER= C. Saturated compound

 

33. Methane structure consist of………….. numbers of hydrogen.





ANSWER= D. 6

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