A beaker containing a liquid appears to be half when it is actually two third full. The refractive index of liquid is
In a polymer sample, 30% of molecules have a molecular mass of 20,000 40% have 30,000 and the rest 60,000. What is the weight average molecular mass of the polymer?
Which of the following will not produce ethane?
Standard enthalpy and standard entropy change for the oxidation of {tex}NH_3{/tex} at 298 K, are {tex}-382.64 kJ mol^{-1}{/tex} and {tex}-145.6 J mol^{-1}{/tex} respectively. Standard Gibbs energy change for the same reaction at 298 K is :
At a certain temperature, the dissociation constants of formic acid and acetic acid are 1.8 x 10-4 and 1.8 x 10-5 respectively. The concentration of acetic acid solution in which the hydrogen ion has the same concentration as in 0.001 M formic acid solution is equal to
The values of λ so that the line 3x-4y=λ touches x2+y2-4x-8y-5=0 are
a, b, c (all positive) are the pth, qth, and rth terms of a geometric progression then
Racemic mixture is formed by mixing two
At STP, volume of 0.01g of {tex}H_2{/tex} is the same as that of
Among the following compounds, the one that gets hydrolysed to form metallic hydroxide, hydrogen peroxide and oxygen is
Do you want to submit the exam now ?
Your Time is Expired.