Smartindia Classroom
CONTENTS
Physics
Mathematics
Computer science
Chemistry
Back to home
Start Practice
Question-1
In the extraction of Cu, the reaction which does not take place in the Bessemer converter is
(A)
2CuFeS
2
+ O
2
→Cu
2
S + FeS + SO
2
(B)
2Cu
2
S + 3O
2
→2Cu
2
O + 2SO
2
(C)
2Cu
2
O + Cu
2
S →6Cu + SO
2
(D)
2FeS + 3O
2
→2FeO + 2SO
2
Question-2
Which is a property of chromium?
(A)
hard
(B)
brittle
(C)
crystalline
(D)
all of the above
Question-3
Paramagnetism is common in
(A)
p-block elements
(B)
d-block elements
(C)
s-block elements
(D)
f-block elements
Question-4
Which of the following is used in medicine?
(A)
Silver amalgam
(B)
Silver salt
(C)
Silver leaf
(D)
Silver Bromide
Question-5
For a transistion metal ion, the effective magnetic moment in BM is given by the formula
(A)
(B)
(C)
(D)
Question-6
Pure gold is
(A)
22 carats
(B)
24 carats
(C)
18 carats
(D)
21 carats
Question-7
Which of the following has the maximum number of unpaired electrons?
(A)
Mn
2+
(B)
Ti
3+
(C)
V
3+
(D)
Fe
2+
Question-8
The cations of d-block elements have strong tendency to form complexes with ligands because of their
(A)
small size
(B)
positive charge density
(C)
vacant (n-1)d orbitals
(D)
all of the above
Question-9
Diamagnetic character arises because of the
(A)
absence of unpaired electrons
(B)
presence of unpaired electrons
(C)
absence of paired electrons
(D)
none of these
Question-10
Silver salt used in photography is
(A)
AgCl
(B)
AgNO
3
(C)
AgF
(D)
AgBr
Your Score 0/10
Click
here
to see your answersheet and detailed track records.
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
Powered By
