List of practice Questions

In the manufacture of ordinary glass the substance used is
Which of the following reagents can be used to distinguish between phenol and benzyl alcohol ?
Magnetic moment of deuteron is
A step up transformer has turns ratio $10 : 1$. A source of emf 2 volts is fed to the primary. Secondary voltage developed is
Curie temperature is the temperature above which
If $\sin(\pi \cos \theta) = \cos(\pi \sin \theta),$ then $\sin 2 \theta$ equals
Acetophenone when nitrated, the major product obtained is
Power alcohol is
Smoke is an example of
Stainless steel is an alloy of
The number of integral values of k for which the equation $7 \cos x + 5 \sin x = 2k + 1$ has solution is
Tranquilisers
The minimum energy required to excite $H_2$ atom from its ground state is
Which of the following unicellular organisms has a macronucleus for trophic function and one or more micronuclei for reproduction?
Which of the following gives a white precipitate with alcoholic silver nitrate?
A number of capacitors labelled as $8 \, \mu F, 250 \, V$ are given. Minimum number of capacitors needed to get an arrangement equivalent to $10 \, \mu F, 1000 \, V$ is
An electron projected in a perpendicular uniform magnetic field of $3 \times 10^{-3} T, $ moves in a circle of radius 4 mm. The linear momentum of electron $(in \, kg-ms^{-1}) $ is
At $ 25^\circ $, the dissociation constant of a base, BOH is $ 1.0 \times 10^{-12} $. The concentration of hydroxyl ions in 0.01 M aqueous solution of the base would be
In any fission process the ratio $\frac{mass \, of \, fission \, products}{mass \, of \, parent \, nucleus} is$
Which of the following pairs is correctly matched?
An ideal gas heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 x 104 cal of heat at higher temperature. Amount of heat converted to work is:
The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is:
Carbohydrates most abundant biomolecules on earth, are produced by :
Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these:
Two batteries, one of emf 18 volts and internal resistance $2\, \Omega$ and the other of emf 12 volts and internal resistance $1\, \Omega$ are connected as shown. The voltmeter V will record a reading of