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Question-1
Gold is attacked by
(A)
Air
(B)
Alkalies
(C)
Chlorine
(D)
None of these
Question-2
The most malleable and ductile metal is
(A)
Silver
(B)
Copper
(C)
gold
(D)
Zinc
Question-3
Which compound is formed when excess of KCN is added to an aqueous solution of copper sulphate
(A)
Cu
2
(CN)
2
(B)
K
2
[Cu(CN)
6
]
(C)
K[Cu(CN)
2
]
(D)
Cu
2
(CN)
2
+ (CN)
2
Question-4
Copper is used for
(A)
electroplating
(B)
calorimeters
(C)
electric cables
(D)
all of the above
Question-5
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-6
Which transition element has the highest atomic number?
(A)
Ru
(B)
Uun
(C)
Uub
(D)
Uuu
Question-7
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-8
The important ore of gold is
(A)
Alluvial gold
(B)
Placer gold
(C)
Vein gold
(D)
Both a and b
Question-9
Gold found in native or mixed form in ancient rocks is called as
(A)
Alluvial gold
(B)
Placer gold
(C)
Vein gold
(D)
None of these
Question-10
Which of the following is used in medicine?
(A)
Silver amalgam
(B)
Silver salt
(C)
Silver leaf
(D)
Silver Bromide
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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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