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Recent questions tagged halogens family
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Chlorine can be manufactured from (A) Electrolysis of NaCl (B) Electrolysis of brine
asked
Apr 7, 2019
in
JEE
by
kratos
jee
acids bases and salts
class-10
jee mains
class-12
halogens family
metallurgy
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1
answer
The halogen which is liquid at room temperature is
asked
Apr 4, 2019
in
JEE
by
kratos
p - block elements
p-block element
jee
class-7
matter around us
jee mains
class-12
halogens family
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1
answer
Which one of following acid is weakest?
asked
Apr 3, 2019
in
JEE
by
kratos
jee
halogens family
jee mains
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1
answer
Why can't we "add or remove heat" from a reaction like a reacting species?
asked
Apr 1, 2019
in
JEE
by
kratos
limits
acids
class-11
jee
jee mains
bases
class-12
halogens family
+2
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1
answer
When chlorine gas is passed through an aqueous solution of KBr, the solution turns orange brown due to the formation of
asked
Mar 30, 2019
in
JEE
by
kratos
class-11
jee
kvpy
jee mains
halogens family
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1
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Bleaching action of bleaching powder is due to liberation of
asked
Mar 29, 2019
in
JEE
by
kratos
jee
halogens family
jee mains
+2
votes
1
answer
What is sublimation? What kind of organic compounds can be purified by this technique?
asked
Mar 28, 2019
in
Chemistry
by
kratos
organic chemistry
cbse
class-11
jee
some basic principles and techniques
jee mains
halogens family
+3
votes
1
answer
What happen'* when glucose reacts with concentrated HNO3? Give chemical equation.
asked
Mar 27, 2019
in
JEE
by
kratos
p-block elements
jee
biomolecules
jee mains 2019
jee mains
class-12
halogens family
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1
answer
Which two of the following salts are used for preparing iodized salt?
asked
Mar 25, 2019
in
JEE
by
kratos
cbse
class-8
the p block elements
jee
acids bases and salts
reaching the age adolescence
icse
class-10
jee mains
class-12
halogens family
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vote
1
answer
The colour of iodine solution is discharged by shaking it with aqueous solution of : (A) H2SO4
asked
Mar 11, 2019
in
JEE
by
kratos
class-11
jee mains
jee
halogens family
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1
answer
Which is most reactive halogen (A) Cl2 (B) Br2
asked
Mar 7, 2019
in
JEE
by
kratos
jee
halogens family
jee mains
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1
answer
Tincture of iodine is (a) aqueous solution of I2 (b) solution of I2 in aqueous KI
asked
Mar 5, 2019
in
Chemistry
by
kratos
chemistry in everyday life
jee
jee mains
class-12
halogens family
+2
votes
1
answer
The compound added to table salt for maintaining proper health is
asked
Mar 4, 2019
in
Chemistry
by
kratos
some basic concepts of chemistry
jee
jee mains
halogens family
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1
answer
Unlike other halogens Fluorine does not show higher oxidation states because
asked
Feb 28, 2019
in
JEE
by
kratos
jee
halogens family
jee mains
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1
answer
Iodine reacts with concentrated HNO3 to yield Y along with other products.
asked
Feb 24, 2019
in
JEE
by
kratos
p-block elements
jee
p-element
jee mains
germanium
class-12
halogens family
+3
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1
answer
Why can't we prepare HBr by heating KBr with sulphuric acid ?
asked
Feb 24, 2019
in
JEE
by
kratos
cbse
jee
hydrogen
jee mains
class-12
halogens family
p - block element
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1
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A ***** powder (x) when heated with NaCl and Conc. H2 SO4 liberates a greenish yellow gas (y).
asked
Feb 18, 2019
in
JEE
by
kratos
p-block elements
jee
jee mains
class-12
halogens family
+2
votes
1
answer
When Cl2 is passed through hot & Conc. Solution of KOH following compound is formed.
asked
Feb 17, 2019
in
JEE
by
kratos
jee
halogens family
jee mains
+2
votes
1
answer
A metal which is not affected by conc. H2 SO4 , HNO3 or alkalis forms a compound X.
asked
Feb 12, 2019
in
Chemistry
by
kratos
organic chemistry
p-block elements
jee
jee mains
class-12
halogens family
+3
votes
1
answer
Which of following pair is not correctly matched
asked
Feb 8, 2019
in
JEE
by
kratos
jee
halogens family
jee mains
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