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Recent questions tagged study of compounds
+3
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1
answer
MnO2, PbO2 and red lead react with conc. HCl acid liberates Cl2.
asked
Apr 7, 2019
in
JEE
by
kratos
hydrogen chloride
jee
class-10
icse
jee mains
study of compounds
qualitative analysis
p - block element
+2
votes
1
answer
State one chemical test between each of the Manganese dioxide and Copper(II) oxide.
asked
Apr 5, 2019
in
Chemistry
by
kratos
practical chemistry
hydrogen chloride
class-10
icse
study of compounds
+2
votes
1
answer
Write an equation for the reactions of aqueous hydrochloric acid on:
asked
Apr 4, 2019
in
Class 10
by
kratos
study of compounds
class-10
icse
hydrogen chloride
+1
vote
1
answer
Name another ore which on roasting gives sulphur dioxide.
asked
Apr 4, 2019
in
Class 10
by
kratos
study of compounds
sulphuric acid
class-10
icse
+1
vote
1
answer
Some properties of sulphuric acid are listed below. Choose the role played , by sulphuric acid as A, B, C or D
asked
Apr 4, 2019
in
Class 10
by
kratos
study of compounds
sulphuric acid
class-10
icse
+3
votes
1
answer
Name the gas that is produced in each of the following cases : (i) Sulphur is oxidized by concentrated nitric acid.
asked
Apr 4, 2019
in
Class 10
by
kratos
study of compounds
class-10
icse
nitric acid
+2
votes
1
answer
Write the equations for the laboratory preparation of: 1. Sodium sulphate (Na2SO4 ) using dil. H2SO4 ,
asked
Apr 3, 2019
in
Class 10
by
kratos
study of compounds
sulphuric acid
class-10
icse
+2
votes
1
answer
Ammonia is collected by downward displacement of air. Give scientific reasons :
asked
Apr 3, 2019
in
Class 12
by
kratos
hydrogen chloride
class-8
hydrogen
class-10
icse
study of compounds
class-12
+1
vote
1
answer
How will you distinguish between dilute hydrochloric acid and dilute sulphuric acid using lead nitrate solution ?
asked
Apr 2, 2019
in
Class 10
by
kratos
study of compounds
sulphuric acid
class-10
icse
+1
vote
1
answer
In the given equation identify the rate played by concentrated sulphuric acid * + 2H2SO4 ---> 3SO2 + 2H2O:
asked
Apr 1, 2019
in
Class 10
by
kratos
sulphuric acid
stoichiometry
class-10
icse
mole concept
study of compounds
+2
votes
1
answer
Which of the following can convert acidified Cr2O7 ^2– to green ? (A) SO2 / H2SO3 / H2SO4
asked
Apr 1, 2019
in
JEE
by
kratos
sulphuric acid
class-8
jee
class-10
icse
jee mains
study of compounds
p-block element
p - block element
+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
+2
votes
1
answer
State how you can obtain: (i) Sulphur dioxide from sulphur. (ii) Hydrogen sulphide from iron (II) sulphide.
asked
Mar 31, 2019
in
Class 10
by
kratos
study of compounds
sulphuric acid
class-10
icse
+2
votes
1
answer
Which of the following is manufactured from the molecular nitrogen by bacteria
asked
Mar 30, 2019
in
Class 12
by
kratos
ethers
nitric acid
class-10
icse
alcohols
study of compounds
class-12
phenols
p - block element
+1
vote
1
answer
How nitric acid reacts with copper.
asked
Mar 30, 2019
in
Class 12
by
kratos
p-block elements
nitric acid
class-10
icse
study of compounds
class-12
+1
vote
1
answer
State one condition under which chlorine and hydrogen react to form hydrogen chloride gas.
asked
Mar 30, 2019
in
Class 10
by
kratos
study of compounds
class-10
icse
hydrogen chloride
+3
votes
1
answer
By the addition of only one solution how would you distinguish, between dilute hydrochloric acid and dilute nitric acid?
asked
Mar 30, 2019
in
Class 10
by
kratos
sulphuric acid
hydrogen chloride
nitric acid
class-10
icse
ammonia
study of compounds
+2
votes
1
answer
Solution A reacts with an acid B (which gives greenish-yellow gas on reacting with oxidizing
asked
Mar 29, 2019
in
Class 12
by
kratos
p - block elements
hydrogen chloride
cbse
p-block elements
class-10
icse
study of compounds
class-12
p - block element
+3
votes
1
answer
Concentrated sulphuric acid is added to sugar crystals.
asked
Mar 29, 2019
in
Class 10
by
kratos
study of compounds
sulphuric acid
class-10
icse
+3
votes
1
answer
When blue crystals of copper (II) sulphate are added to concentrated sulphuric acid crystals turn white. Why?
asked
Mar 28, 2019
in
Class 10
by
kratos
study of compounds
sulphuric acid
class-10
icse
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