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Toppers' Discussion Forum

Discussion Board Class Subject  

Thu February 11, 2016

atoms and molecule

How to find molar mass and mole, no.of particles& valency of elements

CBSE IX Chapter Notes

Thu February 11, 2016

Coordination compounds

In metal carbonyls,oxidation state of metal is 0.Is this so because the ligand involved is neutral?Why is then complexes with water as ligand do not have oxidation state 0 although it is neutral ligand?

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CBSE XII Chapter Notes

Thu February 11, 2016

Extraction of iron by blast furnace

I am unable to remember it. How can I?

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Gujarat X Chapter Notes

Thu February 11, 2016

gravition

what is an apple graviton you understand me

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CBSE IX Chapter Notes

Thu February 11, 2016

Power of a lens

When power of a lens is asked what are we supposed to write as a proper definition?

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CBSE X Chapter Notes

Thu February 11, 2016

how to download papers

dear sir i dont understand how to download a papers   

ICSE X Chapter Notes

Thu February 11, 2016

probability

how to identify conditional probability

CBSE XII Chapter Notes

Thu February 11, 2016

Chapter-matrices,miscellaneos qno 1

In this questions in last part what we have take common?

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CBSE XII Chapter Notes

Thu February 11, 2016

Trigonometry

If cos a+b sin c-d =cos c - d sin c + d Then tanAtanBtanC+tanD

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CBSE XI Board Papers

Wed February 10, 2016

geometry

Two posts are k meters apart  and the height of one is double that of the other. If from the mid point of the line segmant joining their feet, an observer finds the angles of elevation of their tops to be complimentary then find the height of the shorter post

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CBSE X Board Papers

Wed February 10, 2016

about motion in a straight line

Can speed be negative?

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CBSE XI Board Papers

Wed February 10, 2016

organic compounds

What is rectified spirit . Explain

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CBSE X Exams

Wed February 10, 2016

organic compounds

What is rectified spirit . Explain

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CBSE X Exams

Wed February 10, 2016

local self government-rural

what is gram sabha?

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ALL Boards ALL Class Exams

Wed February 10, 2016

Moving Coil Galvanometer

What is the substance providing the magnetic field in a moving coil galvanometer?????

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CBSE XII Exams

Wed February 10, 2016

Determinants

Not able to see the solutions of previous year board papers. I am using Google nexus. What to do?

CBSE XII Board Papers

Wed February 10, 2016

evolution

Why evolutionary changes is not seen in humans?

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CBSE X Board Papers

Tue February 09, 2016

animalia

what is kingdom animalia 

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Maharashtra IX Exams

Tue February 09, 2016

oscillation

examples of periodic motion which are not oscillatory ?

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CBSE XI Exams
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