Fundamentals of Environmental Chemistry-Unsaturated and Saturated Hydrocarbons (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 4 of 4

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 376 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 250.00 or

Question number: 1

» Fundamentals of Environmental Chemistry » Unsaturated and Saturated Hydrocarbons

Appeared in Year: 2015

MCQ▾

Question

Consider the following four statement about benzo [a] pyrene: (December)

(1) It is a group 1 carcinogen

(2) It is a polycyclic aromatic hydrocarbon

(3) Its molecular formula is C20H12

(4) It has four benzene rings

Choices

Choice (4) Response

a.

(1), (2) and (3) only

b.

(1), (2), (3) and (4)

c.

(2), (3) and (4) only

d.

(1) and (2) only

Question number: 2

» Fundamentals of Environmental Chemistry » Unsaturated and Saturated Hydrocarbons

Appeared in Year: 2015

Match List-Ⅰ List-Ⅱ▾

Question

Match the List-I with List-II. Identify the correct answer from the codes given below the lists: (June)
List-Ⅰ (Halocarbons) List-Ⅱ (Atmospheric Residence Time)

(A)

CF3Br

(i)

~ 50, 000 years

(B)

CF4

(ii)

~ 50 years

(C)

CF4Cl2

(iii)

~ 50 years

(D)

CFCl3

(iv)

~ 102 years

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (i)
  • (iv)
  • (iii)

b.

  • (ii)
  • (i)
  • (iv)
  • (iii)

c.

  • (i)
  • (iv)
  • (iii)
  • (ii)

d.

  • (iv)
  • (iii)
  • (ii)
  • (i)

Question number: 3

» Fundamentals of Environmental Chemistry » Unsaturated and Saturated Hydrocarbons

Appeared in Year: 2015

MCQ▾

Question

Which one of the following statements is not correct? (June)

Choices

Choice (4) Response

a.

The solubility of gases varies considerably with pressure.

b.

Hydrocarbons chiefly occur in coal, natural gas and petroleum.

c.

Polynuclear aromatic hydrocarbons are present in coal tar and fossil fuels.

d.

All hydrocarbons are hydrophilic in nature.

Question number: 4

» Fundamentals of Environmental Chemistry » Unsaturated and Saturated Hydrocarbons

Appeared in Year: 2015

MCQ▾

Question

The source of aliphatic hydrocarbon in indoor environment are: (June)

Choices

Choice (4) Response

a.

Aerosol sprays and solvents

b.

Solvents and vinyl flooring

c.

Paints, adhesives and gasoline

d.

Spirits and cleansers

Sign In