Carbon and its compounds Worksheet-10

Carbon and its compounds Worksheet-10

Multiple-Choice Questions: (With One Option Correct):

16. If the bottom of the cooking utensils in our homes get blackened it shows that:         

(A) The gas used has comparatively high percentage of carbon

(B) The gas has comparatively low percentage of carbon

(C) The tiny holes of gas stove have blockages leading to insufficient supply of air

(D) Both A and C

17. Vegetable oil can be converted to vegetable ghee by:

(A) Reduction of alkynes present in oil

(B) Reduction of alkenes present in oil

(C) By a process in which unsaturated hydrocarbons present in oil is   oxidized

(D) By chlorination of unsaturated hydrocarbons present in oil

18. What are the products of given reaction?

(A)                 (B)

(C)                    (D)

Matrix Matching:

19. Match the Column:

20. Match the Column:

Word Bank:

21. The IUPAC names of formic acids, acetic acid and dimethyl ketone are ____a____, _____b_____, _____c_____.

(A) Methanoic acid                (B) Ethanoic acid (C) Propanone

22. The IUPAC names of C₄H₉CHO, C₆H₁₉CHO, C₅H₁₁CHO are ____a____, _____b_____, _____c_____

          (A) Pentanal                           (B) Heptanal                 (C) Hexanal

Answer key:

16.  (C)
17. (B)
18. (A)
19. 1-B; 2-D; 3-A; 4-C
20. 1-B; 2-C; 3-D; 4-A
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