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Question-1
Pure zinc is attacked by
(A)
Water
(B)
Dilute acid
(C)
Air
(D)
None of these
Question-2
Which has the lowest atomic radii?
(A)
Sc
(B)
Cr
(C)
V
(D)
Ti
Question-3
Which of the following compounds is not coloured?
(A)
Na
2
CuCl
4
(B)
Na
2
CdCl
4
(C)
K
4
[Fe(CN)
6
]
(D)
K
3
[Fe(CN)6]
Question-4
For a transistion metal ion, the effective magnetic moment in BM is given by the formula
(A)
(B)
(C)
(D)
Question-5
Molten silver expels absorbed oxygen on
(A)
heating
(B)
melting
(C)
treatment with borax
(D)
cooling
Question-6
Most of the transition elements and their compounds are
(A)
Paramagnetic
(B)
Diamagnetic
(C)
repelled by magnetic field
(D)
Both a and c
Question-7
Gold found in native or mixed form scattered in sand and gravel is called as
(A)
Alluvial gold
(B)
Placer gold
(C)
Vein gold
(D)
None of these
Question-8
Which of the following has the maximum number of unpaired electrons?
(A)
Mn
2+
(B)
Ti
3+
(C)
V
3+
(D)
Fe
2+
Question-9
Which transition element has the highest atomic number?
(A)
Ru
(B)
Uun
(C)
Uub
(D)
Uuu
Question-10
Excess of sodium hydroxide reacts with zinc to form
(A)
ZnH
2
(B)
Na
2
ZnO
2
(C)
ZnO
(D)
Zn(OH)
2
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Plus 2 Biology Science
Tamil Nadu (English Medium)
Practice in Related Chapters
Periodic Classification - II
f - block Elements
d - block Elements
Atomic Structure
Coordination Compounds and Bio-coordination Compounds
p - Block Elements
Biomolecules
Electrochemistry
Chemical Kinetics
Surface Chemistry
Carbolic Acids
Chemistry in Action
Hydroxy Deratives
Isomerism in Organic Chemistry
Nuclear Chemistry
Termodynamics-II
Solid State II
Chemical Equilibrium-II
Purification of Organic Compounds
Ether
Carbonyl Compounds
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