Chemical Composition of Air (CBSE-NET (Based on NTA-UGC) Environmental Science (Paper-II)): Questions 1 - 5 of 17

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Question number: 1

» Chemical Composition of Air » Photochemical Smog

Appeared in Year: 2011

MCQ▾

Question

In urban areas, the main constituents of photochemical smog in winter season are (June NET Paper 2)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Chemical Composition of Air » Photochemical Smog

Appeared in Year: 2014

MCQ▾

Question

The classical smog is mainly composed of (December)

Choices

Choice (4) Response

a.

and smoke particulates

b.

And

c.

And

d.

and smoke particulates

Question number: 3

» Chemical Composition of Air » Chemistry of Air Pollutants

Appeared in Year: 2015

MCQ▾

Question

Trichloromonofluoromethane is:

(1) Freon – 11

(2) A spray can propellant

(3) A chlorofluorocarbon

Choose the correct answer: (June)

Choices

Choice (4) Response

a.

1,2 and 3

b.

1 and 3 only

c.

2 and 3 only

d.

1 only

Question number: 4

» Chemical Composition of Air » Classification of Elements

Appeared in Year: 2009

MCQ▾

Question

The mass of 1 mole of electron is equal to (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Chemical Composition of Air » Chemical Process to Form Inorganic and Organic Particulate Matter

Appeared in Year: 2015

MCQ▾

Question

Burning of 1 mol of liberates 890 kJ of energy and 1 mol of . Since 1 mol of has 12 g of carbon, the higher heating value (HHV) of methane is: (June)

Choices

Choice (4) Response

a.

b.

c.

d.

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