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Question-1
Silver is not affected by the action of
(A)
Chlorine
(B)
Concentrated acid
(C)
Alkalies
(D)
Dilute acids
Question-2
With action of air and moisture copper gets covered with layer of
(A)
red cuprous oxide
(B)
cuprous sulphate
(C)
black cuprous oxide
(D)
copper carbonate
Question-3
Which transition element show highest oxidation state
(A)
Sc
(B)
Ti
(C)
Os
(D)
Zn
Question-4
The transition elements in lower oxidation states (+2 and +3) generally form
(A)
Ionic bonds
(B)
Covalent bonds
(C)
Both a and b
(D)
No bonding
Question-5
The chief ore of silver is
(A)
Silver glance
(B)
Horn silver
(C)
Ruby silver
(D)
Pyragyrite
Question-6
Gold found in native or mixed form in alluvial soil is called as
(A)
Alluvial gold
(B)
Placer gold
(C)
Vein gold
(D)
None of these
Question-7
Which of the ions will give colourless aqueous solution?
(A)
Ni
2+
(B)
Fe
2+
(C)
Cu
2+
(D)
Cu
+
Question-8
d-block elements form coloured ions because
(A)
They absorb some energy for d-s transition
(B)
They absorb some energy for p-d transition
(C)
They absorb some energy for d-d transition
(D)
They do not absorb any energy
Question-9
Formation of a wooly flock called philosopher’s wool by zinc is due to the action of
(A)
air
(B)
water
(C)
dilute acid
(D)
concentrated acid
Question-10
Mac Arthur Forrest Cyanide Process is used in the extraction of
(A)
Gold
(B)
Silver
(C)
Copper
(D)
Both and b
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Plus 2 Computer Science
Tamil Nadu (English Medium)
Practice in Related Chapters
Periodic Classification - II
Coordination Compounds and Bio-Coordination Compounds
p - Block Elements
Biomolecules
Electrochemistry
Chemical Kinetics
Surface Chemistry
Hydroxy Deratives
Isomerism in Organic Chemistry
Nuclear Chemistry
Termodynamics-II
Solid State II
Chemical Equilibrium-II
Purification of Organic Compounds
Ether
Carbonyl Compounds
Atomic Structure
f - Block Elements
d - Block Elements
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