Chemical Composition of Air-Chemical Process to Form Inorganic and Organic Particulate Matter (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 3 of 3

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Question number: 1

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

Appeared in Year: 2015

MCQ▾

Question

Burning of 1 mol of CH4 liberates 890 kJ of energy and 1 mol of CO2 . Since 1 mol of CO2 has 12 g of carbon, the higher heating value (HHV) of methane is: (June)

Choices

Choice (4) Response
a.

10.0gCMJ

b.

12.0gCMJ

c.

13.5gCMJ

d.

18.5gCMJ

Question number: 2

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

Appeared in Year: 2015

MCQ▾

Question

A non-metal ‘X’ occurs in nature in free state. It combines with hydrogen to form a gas, which is colorless and highly toxic. Apart from this, ‘X’ is oxidized to XO2 which is a colourless, pungent and irritating gas. ‘X’ represents: (June)

Choices

Choice (4) Response
a.

Nitrogen

b.

Sulphur

c.

Carbon

d.

Phosphorus

Question number: 3

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

Appeared in Year: 2015

MCQ▾

Question

Burning of 1 mol of CH4 liberates 890 kJ of energy and 1 mol of CO2 . Since 1 mol of CO2 has 12 g of carbon, the higher heating value (HHV) of methane is: (June)

Choices

Choice (4) Response
a.

13.5gCMJ

b.

18.5gCMJ

c.

12.0gCMJ

d.

10.0gCMJ

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