The major product of the reaction between tert-butylchloride and sodium-ethoxide is
No of {tex}H_2O{/tex} molecules in a drop of water weighing 0.05g is:
Cathode rays are produced when the pressure is of the order of
A beaker containing a liquid appears to be half when it is actually two third full. The refractive index of liquid is
Propyne is treated with sodamide and the product is treated with methyl iodide to get
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 statement is true?
Which compound among the following give/s positive iodoform test? 1. Ethanol 2. Ethanal 3. 1-butanol 4. 2-butanol 5. Phenyl ethanal
Two identical balls A and B collide head on elastically. If the velocity of A and B before collision are 0.5 m/s and -0.3m/s respectively, then their velocities after collision will be
The condition that ax + by + c = 0 is tangent to the parabola y2 = 4ax is
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