CBSE Class 11


Topic Replies Activity
Draw a specimen of bill of exchange and explain its contents 2 June 21, 2019
Describe briefly translatory and rotatory motion of a rigid body 2 June 21, 2019
What is the expression for distance covered in nth second by a uniformly accelerated body 2 June 21, 2019
Why is alkane called as paraffin? 2 June 21, 2019
On the basis of the kinetic theory of gases derive an expression for the pressure 2 June 21, 2019
Explain why XeO4 has sp3 hybridization? 2 June 21, 2019
Explain the working of a hydraulic lift? 2 June 20, 2019
Prove that: (i) cos(A-B)= cosAcosB + sinAsinB (ii)cos(A+B)= cosAcosB - sinAsinB 2 June 20, 2019
One liter of CO2 is passed through red hot coke 2 June 20, 2019
Draw a labelled diagram of a neuron 2 June 20, 2019
Write the electronic configuration of chromium and predict its number of subshells, 2 June 20, 2019
Discuss parallelogram law of vector addition.find the expression for resultant vector using it 2 June 20, 2019
How can we convert benzene to nitrobenzene 2 June 20, 2019
What is nucleolus? what is the difference between nucleus and nucleolus? 2 June 20, 2019
Describe parallax method for measuring large distances 2 June 20, 2019
Find the coefficient of 1/x in the expansion of (1+x)^n(1/x+x)^n 2 June 20, 2019
What is the difference between STP and NTP 2 June 20, 2019
Explain cash memo in accounting terms and prepare a specimen of it 2 June 20, 2019
What are the universal rules of nomenclature? 2 June 20, 2019
Draw the diagram of collenchyma tissue 2 June 20, 2019
Explain c4 pathway 2 June 20, 2019
A body is thrown vertically upwards with velocity 'u' 2 June 19, 2019
Calculate velocity of electron in first bohrs orbit of hydrogen atom.(,given r=a) 2 June 19, 2019
Write steps involved in balancing an equation by Hit and Trial method and Partial Equation method 2 June 19, 2019
What is negative electron gain enthalpy and positive electron gain enthalpy 2 June 19, 2019
How to use a spherometer? 2 June 19, 2019
State the limitations and applications of Bernoulli's principle 2 June 19, 2019
A committee of 7 has to be formed from 9 boys and 4 girls 2 June 19, 2019
What is dsp2 hybridisation. give some examples with their structure.how is it different from sp3 2 June 19, 2019
What is hydration enthalpy? And explain 2 June 19, 2019