Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged chemistry
Questions
Reaction of halogens (Group-VII) and alkane (saturated hydrocarbons) in presence of sunlight is an example of
cbsc
class 10
olympiad
science
chemistry
t1
asked
Sep 11, 2017
by
meena.p
1
answer
An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?
cbsc
class 10
olympiad
science
chemistry
t1
asked
Sep 11, 2017
by
meena.p
1
answer
When a metal replaces hydrogen atom then compound form is
cbsc
class 10
olympiad
science
chemistry
t1
asked
Sep 11, 2017
by
meena.p
1
answer
When copper oxide is heated with hydrogen, copper metal and water are formed. Which of the following is oxidising agent in this reaction?
cbsc
class 10
olympiad
science
chemistry
t1
asked
Sep 11, 2017
by
meena.p
1
answer
Which of the following actions increases the rate of dissolving?
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 11, 2017
by
meena.p
1
answer
Air contains 78 percent nitrogen, 21 percent oxygen, and one percent argon. Which gas is the solvent?
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 11, 2017
by
meena.p
1
answer
On increasing temperature of amorphous solid they
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 11, 2017
by
meena.p
1
answer
What is the volume of Object X?
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 11, 2017
by
meena.p
1
answer
The rise in the boiling point of solution containing 1.8 g of glucose in 10
chemistry
asked
Sep 11, 2017
by
rajukeesari30
1
answer
Using Vander walls equation calculate pressure exerted by 20g of Carbon dio
chemistry
asked
Sep 10, 2017
by
shreyat2712
0
answers
Calculate the number of revolution of an electron in the second Bohr orbit
chemistry
asked
Sep 10, 2017
by
yadavpratik090
1
answer
The formula of compound is A2B5 the no of electron in the outermost orbital
chemistry
asked
Sep 9, 2017
by
tanzeelarahman12345
1
answer
Bond length of H2 is 0.074 nm, bond length of Cl2 is 1.98 A°. What is the
chemistry
chemical-bonding
neet
asked
Sep 9, 2017
by
abbaskhan2111
1
answer
Ethylamine react with chloroform and 3KOH
chemistry
asked
Sep 8, 2017
by
vaishu9795
0
answers
If the radius of first bohr orbit is X then the d broglie wavelength of the
chemistry
asked
Sep 8, 2017
by
anshukumar237
0
answers
If an object has a density of $3.6 g/mL $ and you put it into water, will it sink or float?
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 8, 2017
by
meena.p
1
answer
The balancing of chemical equations is in accordance with:
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 8, 2017
by
meena.p
1
answer
The charge/ mass ratio of electron:
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 8, 2017
by
meena.p
1
answer
Dry ice on heating produces:
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 8, 2017
by
meena.p
1
answer
A student is pouring equal amounts of water, maple syrup, and cooking oil into a glass beaker and looking at how the layers settle. Which property of the liquids is the student most likely comparing?
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 8, 2017
by
meena.p
1
answer
Why does an atom have no net electric charge?
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 8, 2017
by
meena.p
1
answer
The formula of ethanol is $C_2H_5 – OH$. What will be its molecular mass?
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 8, 2017
by
meena.p
1
answer
The atomic number of sodium is 11 and its mass number is 23. It has
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 8, 2017
by
meena.p
1
answer
Brass is a solution of molten copper in
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 8, 2017
by
meena.p
1
answer
a compound xy crystallizes in BCC lattice with unit cell edge length of 480
chemistry
asked
Sep 8, 2017
by
atom257sharma
1
answer
a compound xy crystallizes in BCC lattice with unit cell edge length of 480
chemistry
asked
Sep 8, 2017
by
atom257sharma
0
answers
V1 and v2 are the frequency of the radiation incident on a photo emmi
chemistry
asked
Sep 8, 2017
by
sandy.ks52
0
answers
The volume of 0.025M H3PO4 required to neutralize 25ml 0.03M calcium hydrox
chemistry
asked
Sep 8, 2017
by
athulsajeev98
0
answers
a compound formed by elements X and Y has a cubic structure in which X atom
chemistry
asked
Sep 7, 2017
by
eishveenkaur2
1
answer
In BeO (Zinc Blende structure), is introduced in available tetrahedral void
chemistry
asked
Sep 7, 2017
by
priyankaguptapg2017
0
answers
If the dissociation constant of an acid HA is 10^-5, then the pH of 0.1M so
chemistry
asked
Sep 7, 2017
by
cooljunkyprasun
1
answer
what is the entropy of the system ?
chemistry
asked
Sep 7, 2017
by
yadavharish591
0
answers
Which of the following compounds when dissolved in water gives coloured solution ?
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 7, 2017
by
meena.p
1
answer
The number of electrons presents in $H^+$ is
cbsc
class 9
olympiad
science
chemistry
t10
asked
Sep 7, 2017
by
meena.p
1
answer
hybrIdisation of N in NO4+ ? answer is sp3 how is it
chemistry
asked
Sep 7, 2017
by
srishtygoyal12
0
answers
The major constituent of air is
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
In sugar solution,
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
As compared to beryllium, magnesium is
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
The gas used for artificial ripening of green fruit is
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
The material which can be deformed permanently by heat and pressure is called a
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
The isotope deuterium of hydrogen has
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
Elements with more than 1 energy level will lose, gain or share electrons until they have _____________ valence electrons.
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
Batman and Robin were studying physical and chemical properties of matter. They determined that the mass of a sample was 50 grams. Which sentence best states how mass describes matter?
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
In solutions particles are
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
Which difference between water and ice results in ice floating on cold water?
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
Elements in the same period have the same number of .
cbsc
class 9
olympiad
science
chemistry
t9
asked
Sep 7, 2017
by
meena.p
1
answer
What is the energy content per photon j for light of frequency 4.2*10rest t
chemistry
asked
Sep 7, 2017
by
gunjanmeshram2001
1
answer
1.5g of divalent metal displaced 4g of copper(atomic wt.=64) from a solutio
chemistry
asked
Sep 7, 2017
by
meenakshi03119
1
answer
The difference in deltaH and deltaE for the combustion of methane at 27deg
chemistry
asked
Sep 7, 2017
by
gsrkomali
1
answer
Dipole moment of phenol is smaller than that of methanol why
chemistry
asked
Sep 7, 2017
by
chandanyaduvanshi59
1
answer
Page:
« prev
1
...
190
191
192
193
194
195
196
...
393
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...