List of practice Questions

During the melting of a slab of ice at $273 \,K$ at atmospheric pressure

Which chloro derivative of benzene, would undergo hydrolysis most readily with aqueous KOH?

A boat with scrap iron in it is floating in a small tank of water. If the iron is thrown into the tank the level of water in the tank:

A feature of Selaginella that is of great evolutionary significance in the presence of:

Let f (x) = min { x, $x^2$ } for every real number of x, then

A parallel monochromatic beam of light is incident normally on a narrow slit. A diffraction pattern is formed on a screen placed perpendicular to the direction of the incident beam. At the first minimum of the diffraction pattern, the phase difference between the rays coming from the two edges of the slit is

Highest concentrations of auxin exists in:

In a collage of 300 students, every student reads 5 newspapers and every newspaper is read by 60 students. The number of newspapers is

When a point object is seen by an observer through a glass slab, the image is:

The relationship between acetylene and benzene can be compared with the relationship of propyne with:

The radius of the third Bohr orbit is $ 4.77\text{ }\overset{\text{o}}{\mathop{\text{A}}}\,. $ The radius of the second orbit will be:

The geometry of $ {{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}} $ ion is:

Seven white balls and three black balls are randomly placed in a row. The probability that no two black balls are placed adjacently, equals

Reduction of nitrobenzene in the presence of $ \text{Zn/N}{{\text{H}}_{\text{4}}}\text{Cl} $ gives:

On a cold morning, a metal surface will feel colder to touch than a wooden surfaces, because

Addisons disease results from :

A subshell with $ l=2, $ can take up a maximum of ... electrons:

A ray of light travelling in a transparent medium falls on a surface separating the medium from air at an angle of incidence $45^\circ$. The ray undergoes total internal reflection. If n is the refractive index of the medium with respect to air, select the possible value (s) of n from the following

A new carbon-carbon bond formation is possible in

Which of the following is not correctly matched?

Which of the following is the most stable alkene?

Which of the following is the main cause of late discovery of neutron?

Which one of the following is used to make ??on-stick??cookware?

Which one of the following shows maximum paramagnetic character?