Fundamentals of Environmental Chemistry (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 6 - 10 of 19

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Question number: 6

» Fundamentals of Environmental Chemistry » Solubility Products, Solubilty of Gases in Water

Appeared in Year: 2009

MCQ▾

Question

The use of anthropoid hazard chemicals like DDT causes reduction in fish population because the chemical mimics the effect of – (December)

Choices

Choice (4) Response
a.

Luteinizing hormone

b.

Testosterone

c.

Estrogen

d. All a. , b. and c. are correct

Question number: 7

» 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: 8

» 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

Question number: 9

» Fundamentals of Environmental Chemistry » Solubility Products, Solubilty of Gases in Water

Appeared in Year: 2015

MCQ▾

Question

When DDT enters the human body, it is: (June)

Choices

Choice (4) Response
a.

Processed by enzymes and becomes a different compound which is toxic

b.

Fat soluble and stored in fat tissues

c.

Stored in the bones

d.

Water soluble and easily excreted in urine

Question number: 10

» Fundamentals of Environmental Chemistry » Acid Base Reaction

Appeared in Year: 2015

MCQ▾

Question

pH of 1 mM HCl is: (June)

Choices

Choice (4) Response
a.

1

b.

3

c.

2

d.

11

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