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Recent questions tagged analytical chemistry
+3
votes
1
answer
State observation for each of the following : i. Excess ammonium hydroxide solution is added to lead nitrate solution.
asked
Apr 1, 2019
in
Chemistry
by
kratos
hydrogen chloride
class-10
analytical chemistry
icse
study of compounds
+3
votes
1
answer
The tests performed on compound X and their inferences are:
asked
Mar 25, 2019
in
Chemistry
by
kratos
cbse
jee main 2020
class-10
material technology
analytical chemistry
carbon and its compounds
icse
information systems development
+2
votes
1
answer
The Baraboo, Sheffield, plant of International Widget Ltd. uses aluminium, iron and magnesium to produce high-quality widgets
asked
Mar 23, 2019
in
Chemistry
by
kratos
cbse
class-8
hydrogen
class-10
icse
analytical chemistry
staffing
class-12
metallurgy
+2
votes
1
answer
What are amphoteric metals ?. Describe their reactions with hot caustic alkali.
asked
Mar 17, 2019
in
Chemistry
by
kratos
class-10
class-11
analytical chemistry
icse
+3
votes
1
answer
Solution A is a sodium hydroxide solution. Solution B is a weak acid. Solution C is dilute sulphuric acid. Which solution will
asked
Mar 13, 2019
in
Chemistry
by
kratos
acids
jee
acids bases and salts
class-10
analytical chemistry
icse
jee mains
bases
+2
votes
1
answer
How will you distinguish between the following pairs of compounds: 1.Zinc nitrate solution and Calcium nitrate solution.
asked
Mar 3, 2019
in
Chemistry
by
kratos
class-10
analytical chemistry
icse
+1
vote
1
answer
State your observations when ammonium hydroxide solution is added drop by drop and then in excess to each of the following solutions:
asked
Feb 22, 2019
in
Chemistry
by
kratos
class-10
analytical chemistry
icse
+1
vote
1
answer
The questions (i) to (v) refer to the following salt solutions listed A to F : A. Copper nitrate B. Iron (II) sulphate.
asked
Feb 21, 2019
in
Chemistry
by
kratos
practical chemistry
class-10
analytical chemistry
icse
+1
vote
1
answer
The metals which do not react with water at all are a) Lead, copper silver and gold b) Magnesium, Iron and Zinc
asked
Feb 19, 2019
in
Chemistry
by
kratos
class-10
analytical chemistry
icse
metallurgy
+1
vote
1
answer
Name the metal hydroxides which are: (i) Sparingly soluble (ii) Insoluble (iii) Soluble In caustic soda solution
asked
Feb 16, 2019
in
Chemistry
by
kratos
class-10
analytical chemistry
icse
+3
votes
1
answer
(i) The gas evolved on reaction of Aluminium with boiling concentrated caustic alkali solution.
asked
Feb 15, 2019
in
Chemistry
by
kratos
analytical chemistry
class-10
icse
class-11
+3
votes
1
answer
You are provided with two reagent bottles marked A and B. One of which contains NH4OH solution and the other contains NaOH solution.
asked
Feb 11, 2019
in
Chemistry
by
kratos
class-10
analytical chemistry
icse
+3
votes
1
answer
What do you understand by the following: (i) Analysis (ii) Qualitative analysis (iii) Reagent (iv) Precipitation
asked
Feb 11, 2019
in
Chemistry
by
kratos
jee
class-10
analytical chemistry
chemestry practical
icse
jee mains
+3
votes
1
answer
Sodium hydroxide solution is added first in a small amount then in excess to the aqueous salt solutions of
asked
Feb 1, 2019
in
Chemistry
by
kratos
icse
class-10
analytical chemistry
+1
vote
1
answer
The solubility products of Al(OH)3 and Zn(OH)2 are 8.5 x 10^–23 and 1.8 x 10^–14 respectively.
asked
Jan 31, 2019
in
Chemistry
by
kratos
cbse
class-11
physical chemistry
class-10
analytical chemistry
icse
ionic equilibrium
equilibrium
class-12
+3
votes
1
answer
The substance that is reduced in the following chemical reaction is ZnO + C → Zn + CO (A) C (B) ZnO (C)Zn (D) CO
asked
Jan 31, 2019
in
Chemistry
by
kratos
jee
atoms and molecules
class-9
class-10
analytical chemistry
jee mains
icse
chemical reactions and equations
qualitative analysis
+1
vote
1
answer
Silver chloride dissolves in excess of ammonium hydroxide solution.
asked
Jan 30, 2019
in
Chemistry
by
kratos
d-and f- block elements
hydrogen chloride
class-10
analytical chemistry
icse
study of compounds
+2
votes
1
answer
On adding dilute ammonia solution to a colourless solution of a salt, a white gelatinous precipitate appears.
asked
Jan 24, 2019
in
Chemistry
by
kratos
jee mains 2018
jee
hydrogen
class-10
analytical chemistry
icse
jee mains
p - block element
+2
votes
1
answer
Name the metal hydroxides which are: (i) Insoluble (ii) Soluble. In ammonium hydroxide solution
asked
Jan 24, 2019
in
Chemistry
by
kratos
class-10
analytical chemistry
icse
+3
votes
1
answer
Carbon cannot reduce the oxides of sodium, magnesium and aluminium to their respective metals. why?
asked
Jan 22, 2019
in
Chemistry
by
kratos
metals and nonmetals
neet
processes of isolation of elements
aiims
class-10
analytical chemistry
icse
general principles
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