Fluorine differs from other halogens in some of its properties. This is due to
Clemmensen reduction takes place in the presence of
the value of ∫cot2xdx is________________
The value of cos10° cos30° cos50° cos 70°=__________
Which one of the following elements is found in the free state in nature?
What is the total no. of rare earth metals:
Let n(A) denotes the number of element in set A.if n(A)=P and )B)=q, then how many ordered pairs(a,b) are the with aεA and bεB?
RNA lacks the nitrogen base of
A precipitate is formed if the ionic product is __________?
The specific conductance of 0.01 M aqueous solution of acetic acid is 1. 63 x10-2 S m-1 and the molar conductance at infinite dilution is 390.7x10-4 S m2 mol-1.Calculate the degree of dissociation of the acetic acid solution?
Evaluate ∫cos2 xdx_________
Earth’s atmosphere is richest in
Electron belongs to the family of
Calculate the Reynold’s number for a liquid of density 1 g/cm3, viscosity 8 x 10-4 Pa.s flowing at 0.5 m/s through a pipe of diameter 4 cm?
Identify the product of the following reaction: