Fundamentals of Environmental Chemistry (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 11 - 16 of 19

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Question number: 11

» Fundamentals of Environmental Chemistry » Acid Base Reaction

Appeared in Year: 2009

MCQ▾

Question

SDS-PAGE of tissue proteins under denaturation determines the – (December)

Choices

Choice (4) Response

a.

Sulfide bridge breakage

b.

Hydrogen bond breakage

c.

Subunits of protein

d.

None of the above

Question number: 12

» Fundamentals of Environmental Chemistry » Stochiometry

Appeared in Year: 2009

MCQ▾

Question

Which set of stoichiometric coefficient correctly balance the equation

a.H2O2+b.KMnO4+c.H2SO4d.K2SO4+e.MnSO4+f.H2O+g.O2

(December)

Choices

Choice (4) Response

a.

a-1, b-1, c-1, d-1, e-1, f-1, g-1

b.

a-1, b-2, c-3, d-1, e-2, f-4, g-3

c.

a-2, b-5, c-3, d-2, e-1, f-8, g-5

d.

a-5, b-2, c-3, d-1, e-2, f-8, g-5

Question number: 13

» Fundamentals of Environmental Chemistry » Chemical Potential and Chemical Equilibria

Appeared in Year: 2009

MCQ▾

Question

Which of the transmutation does not take place by α-decay? – (December)

Choices

Choice (4) Response

a.

226Ra88222Rn86

b.

213Bi83213Po84

c.

238U92 234Th90

d.

227Ac89223Fr87

Question number: 14

» Fundamentals of Environmental Chemistry » Acid Base Reaction

Appeared in Year: 2011

MCQ▾

Question

The pH of a 0.001 M solution of HCl is – (December)

Choices

Choice (4) Response

a.

4

b.

1

c.

3

d.

2

Question number: 15

» Fundamentals of Environmental Chemistry » Stochiometry

Appeared in Year: 2013

MCQ▾

Question

Normality of 0.25 M phosphoric acid is (December)

Choices

Choice (4) Response

a.

0.75

b.

0.50

c.

0.25

d.

2.50

Question number: 16

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

Appeared in Year: 2011

MCQ▾

Question

Solubility (S) of a sparingly soluble salt of the type AB is related to the solubility product (KSP) by the relation – (December)

Choices

Choice (4) Response

a.

S=KSP

b.

S=KSP

c.

S=KSP2

d.

S=2KSP

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