List of practice Questions

Which of the following is weakest bond?
Which of the following has lowest first ionization energy?
Which quantum number is not related with Schrodinger equation?
Which of following is not Lewis base?
An element have atomic weight $40$ and its electronic configuration is $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6}$. Then its atomic number and number of neutrons will be:
The magnetic quantum number of valence electron of sodium $ (Na) $ is:
The relationship between ionization and change in concentration of any weak electrolyte is represented as:
Which compound decolorizes iodine solution?
The oxidation number of sulphur in $Na_2S_4O_6$ is
The magnetic needle of a tangent galvanometer is deflected at an angle $30^{\circ}$ due to a magnet. The horizontal component of earth's magnetic field $0.34$ $\times 10^{-4} T$ is along the plane of the coil. The magnetic intensity is
The immediate energy source of muscle contraction:
The highest oxidation state shown by Mn is:
The cranial capacity was largest among the
The coefficient of mutual inductance, when magnetic flux changes by $2 \times 10^{-2} Wb$ and current changes by $0.01 A$ is
The breaking stress of a wire depends upon
A second pendulum is kept in a satellite it is revolving around the earth at the height of $3\,R$ from the earth surface. Time period of second pendulum will be:
Dynamo which produces electricity, is a application of:
Air cored choke coil and delectric bulb are connected in series with $A.C$. mains. A soft iron rod is inserted in coil then the intensity of electric bulb will be :
The orbital speed of a satellite revolving nearby the earth is:
Which of the following is proportional to energy density m magnetic field $B$:
Which one of the following is ferro magnetic?
Sometimes positive charged particle comes from space towards earth with high velocity. Its deviation due to the magnetic field of earth will be:
Source of energy in an ecosystem is
$ SN^1$ reaction is feasible in :
Scent sprayer is based on