Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged calculation
+3
votes
1
answer
Identify the substance oxidised, reduced, oxidising agent and reducing agent for each of the following reactions:
asked
Apr 2, 2019
in
Class 11
by
kratos
class- 11
chemical
class-11
class-10
calculation
chemical reactions and equations
+3
votes
1
answer
(a) A sample of NaOH weighing 0.38 g is dissolved in water and the solution is made to 50.0 cm^3 in a volumetric flask.
asked
Mar 31, 2019
in
Chemistry
by
kratos
some basic concepts of chemistry
class- 11
chemical
class-11
physical chemistry
calculation
mole and equivalent concept
class-12
+3
votes
1
answer
Find the positive integers x and y such that x + y = 60 and xy^3 is maximum.
asked
Mar 23, 2019
in
Class 12
by
kratos
class- 11
chemical
kvpy
application of derivative
calculation
class-12
+3
votes
1
answer
Calculate the normality of oxalic acid solution containing 0.895 g crystals in 250 cm^3 of its solution.
asked
Mar 19, 2019
in
Chemistry
by
kratos
some basic concepts of chemistry
class- 11
chemical
class-11
jee
calculation
jee mains
+1
vote
1
answer
ZnI2, can be prepared by the direct combination of elements.
asked
Mar 14, 2019
in
Class 11
by
kratos
chemical
calculation
class- 11
+2
votes
1
answer
Calculate molarity and normality of the following solution, (a) HCl (b) H2C2O4
asked
Mar 5, 2019
in
Chemistry
by
kratos
some basic concepts of chemistry
class- 11
chemical
class-11
jee
calculation
jee mains
class-12
+2
votes
1
answer
A compound on analysis gave the following percentage composition: Na=14.31% * = 9.97%, H = 6.22%, O = 69.5%,
asked
Feb 18, 2019
in
Chemistry
by
kratos
basic concepts of chemistry
class- 11
chemical
class-11
calculation
chemical calculations
+3
votes
1
answer
H2C2O4 (Oxalic acid) Δ→ gas (A) + gas (B) + liquid (C)
asked
Feb 6, 2019
in
Chemistry
by
kratos
class- 11
chemical
class-11
jee
physical chemistry
stoichiometry
redox titrations
calculation
mole concept
jee mains
mole and equivalent concept
redox reactions
class-12
+1
vote
1
answer
In which of the following pairs, there is greatest difference in the oxidation number of the underlined elements ?
asked
Jan 27, 2019
in
Chemistry
by
kratos
basic concepts of chemistry
class- 11
chemical
class-11
calculation
chemical calculations
redox reactions
+3
votes
1
answer
Identify the substance oxidised, substance reduced, oxidising agent and reducing
asked
Jan 24, 2019
in
Class 11
by
kratos
class- 11
cbse
chemical
class-11
redox reaction
class-10
calculation
chemical reactions and equations
+1
vote
1
answer
22.22 gram of urea was dissolved is 300 grams of water. Calculate the number of ***** of urea and molality of the urea solution.
asked
Oct 31, 2018
in
Class 12
by
kratos
neet
solutions
class- 11
chemical
class-10
calculation
mole concept
class-12
+2
votes
1
answer
What weight of H2C2O4 . 2H2O (mol. wt. = 126) should be dissolved to prepare 250 ml of centinormal
asked
Oct 23, 2018
in
Chemistry
by
kratos
neet
class- 11
acids
solutions
chemical
class-11
aiims
physical chemistry
kvpy
calculation
mole and equivalent concept
bases
class-12
+1
vote
1
answer
4.5g of urea (molar mass = 60g mol^-1) are dissolved in water and solution is made to 100 ml in a volumetric flask.
asked
Oct 17, 2018
in
Class 11
by
kratos
chemical
calculation
class- 11
+3
votes
1
answer
A compound has the following composition by weight ; Na = 18.60 %, * = 25.80 %, H = 4.02 % and O = 51.58 %
asked
Oct 11, 2018
in
Class 12
by
kratos
neet
class- 11
chemical
jee
stoichiometry
solid state
class-10
icse
calculation
mole concept
jee mains
+3
votes
1
answer
How much volume of 10M HCl should be diluted with water to prepare 2.00L of 5M HCl.
asked
Oct 10, 2018
in
Class 11
by
kratos
chemical
calculation
class- 11
+1
vote
1
answer
What volume of 6M HCl and 2M HCl should be mixed to get one litre of 3M HCl?
asked
Sep 1, 2018
in
Class 11
by
kratos
chemical
calculation
class- 11
+3
votes
1
answer
Give a method to determine the percentage composition of a compound.
asked
Aug 22, 2018
in
Chemistry
by
kratos
some basic concepts of chemistry
chemical
calculation
class- 11
+1
vote
1
answer
Calculate the normality of solution containing 3.15g of hydrated oxalic acid (H2C2O4.2H2O) in 250ml of solution (Mol. mass = 126).
asked
Aug 19, 2018
in
Class 11
by
kratos
chemical
class- 11
calculation
+1
vote
1
answer
What volume of 10M HCl and 3M HCl should be mixed to obtain 1L of 6M HCl solution?
asked
Aug 9, 2018
in
Chemistry
by
kratos
some basic concepts of chemistry
neet
class- 11
chemical
class-11
calculation
+2
votes
1
answer
Identify the substance oxidised, substance reduced, oxidising agent and reducing agent:
asked
Aug 4, 2018
in
Class 11
by
kratos
class- 11
cbse
chemical
class-11
redox reaction
calculation
To see more, click for the
full list of questions
or
popular tags
.