If surrounding air is kept at 20 °C and body cools from 80 °C to 70 °C in 5 minutes, then the temperature of the body after 15 minutes will be
Which among the following reactions does NOT form alkyl halides?
How many atoms are in a bcc unit cell?
Froth is a Solution of?
The first oxidation of a secondary alcohol is?
Dows process is used.
The highest oxidation state of manganese is?
The radius of the third bohr orbit for H2 is?
Which is the most unstable carbocation?
Which of the following is not a transition element?
Father of green chemistry is?
In an adiabatic expansion of a gas initial and final temperatures are T1 and T2 respectively then the change in internal energy of the gas is [R = gas constant, γ = adiabatic ratio]
A hollow cylinder has a charge q coulomb within it. It ϕ is the electric flux associated with the curved surface B, the flux linked with the plane surface A will be
In hydrogen atom, radius of the smallest orbit of the electron is a0, the radius of the third orbit is
Which one of the following statements is ‘NOT’ true about the angle of contact of a liquid?