Carbon and Its Compounds English Medium Free Online Test 1 Mark Questions 2020-2021

10th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. The secondary suffix used in IUPAC nomenclature of an aldehyde is ____

    (a)

    - ol

    (b)

    – oic acid

    (c)

    – al

    (d)

    - one

  2. Which of the following are used as anaesthetics?

    (a)

    Carboxylic acids

    (b)

    Ethers

    (c)

    Esters

    (d)

    Aldehydes

  3. Which of the following statements is wrong about detergents?

    (a)

    It is a sodium salt of long chain fatty acids

    (b)

    It is sodium salts of sulphonic acids

    (c)

    The ionic part in a detergent is –SO3–Na+

    (d)

    It is effective even in hard water.

  4. Cyclobutane is an example of ______________ compounds.

    (a)

    a cyclic

    (b)

    cyclic

    (c)

    aromatic

    (d)

    alicyelic

  5. Methylene group is

    (a)

    CH4

    (b)

    - CH3

    (c)

    - CH2 -

    (d)

    - CH -

  6. According to IUPAC rules, the secondary suffix used to represent carboxylic acids is  _________________.

    (a)

    al

    (b)

    ol

    (c)

    ate

    (d)

    oic

  7. Alcohols + Acids  Esters. This reaction is ___________

    (a)

    Ester hydrolysis

    (b)

    Esterification

    (c)

    Dehydrogenation

    (d)

    Oxidation

  8. Ethanolis used as ______________

    (a)

    a preservative for biological specimen

    (b)

    an antifreeze

    (c)

    an antiseptic

    (d)

    all the above

  9. Which of the unique feature (s) of Carbon enables it to form a large number of compounds?

    (a)

    catenation

    (b)

    covalency

    (c)

    tetra valency

    (d)

    both (a) and (c)

  10. What is the IUPAC name of CH3CH2COCH-CH3?

    (a)

    1- Pentanone

    (b)

    2 - Pentanone

    (c)

    3 - Pentanone

    (d)

    4 - Pentaone

*****************************************

Reviews & Comments about Create and posted Carbon and Its Compounds English Medium Free Online Test 1 Mark Questions 2020-2021

Write your Comment