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Nitrogen And Oxygen - 3
1.
In ostwald process nitric acid is prepared in the presence of catalyst
a) Sunlight
b) Pt
c) Zinc
d) Mno2
2.
KO
2
is an example of
a) Sub oxide
b) Super oxide
c) Peroxide
d) Normal oxide
3.
Loss of electrons from an atom or ion causes
a) Increase in negative charge.
b) Decrease in oxidation number
c) Decrease in positive charge
d) Increase in oxidation number
4.
C
2
H
4
(G)+H
2
(g) -----------------> C
2
H
6
is an example of
a) Oxidation
b) Reduction
c) None of the above
d) Redox
5.
Nitric acid reacts with hydrogen sulphide to gives a suspension of
a) Nitrogen sulphide
b) Sulpher
c) Sulpher dioxide
d) Sulphuric acid
6.
Matching Items: Click the correct match for .... Basic oxides
a) Oxides having valency of 1/2
b) Less electropositive elements
c) Metals of grp I & II in periodic table
d) Non metals
7.
Matching Items: Click the correct match for .... Amphoteric oxides
a) Less electropositive elements
b) Non metals
c) Oxides having valancy of 1
d) Metals of grp I & II in periodic table
8.
Matching Items: Click the correct match for .... Per-oxides
a) Oxides having valancy of -1
b) Non metals
c) Less electropositive elements
d) Oxides having valency of 1/2
9.
Matching Items: Click the correct match for .... Superoxides
a) Less electropositive elements
b) Oxides having valancy of 1
c) Oxides having valency of -1/2
d) Non metals
10.
Matching Items: Click the correct match for .... Troposphere
a) 28 Km
b) 10 Km
c) 20 Km
d) 3rd layer
11.
Matching Items: Click the correct match for .... Mcsosphere
a) 20 Km
b) 4 Layers
c) 3rd layer
d) 28 Km
12.
Matching Items: Click the correct match for .... Stratosphere
a) 4 Layers
b) 3rd layer
c) 28 Km
d) 20 Km
13.
Matching Items: Click the correct match for .... Atmosphere
a) 4 Layers
b) 20 Km
c) 10 Km
d) 28 Km
14.
Matching Items: Click the correct match for .... NH3+H
2
SO4
a) (NH
4
)
2
SO
4
b) (NH
4
)
2
CO
3
c) NH
4
Cl
d) NO+H
2
O
15.
Matching Items: Click the correct match for .... NH3+CO2
a) (NH
4
)
2
CO
3
b) (NH
4
)
2
SO
4
c) NH
4
Cl
d) NO+H
2
O
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