CBSE Class 12


Topic Replies Activity
Why most electrostatic field be normal to the surface at every point 2 July 16, 2019
Give reasons for the following: Grignard reagent should be prepared under anhydrous conditions 2 July 16, 2019
What is main the difference between valence band and conduction band? 2 July 16, 2019
Explain with the help of a diagram, how depletion region and potential barrier 2 July 16, 2019
How is the sensitivity of a potentiometer increased? 2 July 16, 2019
Closing stock is always valued at market price. Justify either for or against 2 July 16, 2019
Please explain the working of a moving coil galvanometer as 2 July 16, 2019
Calculate the binding energy and binding energy per nucleon of 26Fe 2 July 16, 2019
An eqviconvex lens incontact with liquid layer on top of plane mirror 2 July 16, 2019
How Bakelite is prepared? 2 July 16, 2019
Give main characteristics of an equipotential surface 2 July 16, 2019
Write the reactions and the conditions involved in the conversion of : 2 July 16, 2019
What is the difference between intermediate goods and final goods? 2 July 16, 2019
Could you please provide all the name reaction of organic chemistry 2 July 16, 2019
Please guide me about proper treatment of proposed dividend in different different situation 2 July 16, 2019
In c7h8o how many aromatic structure isomers are possible? 2 July 16, 2019
Measurement of biomass in terms of dry weight is more accurate. Why? 2 July 16, 2019
With only 15 days left for physics board exam, how to "revise effectively" to score good marks? 2 July 16, 2019
Why is actinoid contraction greater than lanthanoid contraction? 2 July 16, 2019
What is the dimension of electrical conductivity? 2 July 16, 2019
Write chemical equations for the reactions involved in the manufacture 2 July 16, 2019
Calculate the capacitance of 6uF and 12uF are connected in series 2 July 16, 2019
A capacitor blocks dc. Explain 2 July 16, 2019
Please explain the Chemical Tests To Distinguish Between Phenol and Benzoic Acid? 2 July 16, 2019
What is molisch reagent 2 July 15, 2019
Prove that 1 absolute coulomb =10 coulomb 1coulomb= 3*10^9 2 July 15, 2019
Why does NO2 dimerise? 2 July 15, 2019
What is saturation current and for which purpose it is taken.........? 2 July 15, 2019
What is the IUPAC name of Dettol which is used as an antiseptic on wounds? 2 July 15, 2019
In angiospermic plants, before formation of microspore the sporogenous 2 July 15, 2019