List of practice Questions

A mass m is moving with a constant velocity along a line parallel to the x-axis, away from the origin. Its angular momentum with respect to the origin

A whistle giving out 450 Hz approaches a stationary observer at a speed of 33 m/s. The frequency heard by the observer (in Hz) is (Speed of sound = 330 m/s) .

Which of the following is not a periodic property?

Which of the following is not a water soluble vitamin?

What is the product when, phenol reacts with diazomethane?

What is the normality of 0.30 M $ {{H}_{3}}P{{O}_{4}} $ (a tribasic acid) in the following reaction? $ {{H}_{3}}P{{O}_{4}}+2O{{H}^{-}}\xrightarrow{{}}HPO_{4}^{--}+2{{H}_{2}}O $

The Tyndall effect, associated with colloidal particle is due to:

The iron-carbonate ore is:

The inversion temperature for a van der Waals gas is given by:

The compound with the smell of peppermint, is:

The chemical name for grain alcohol is:

The breaking stress of a wire of length $ l $ and radius r is $ 5\,\,kg\,\,wt/{{m}^{2}} $ . The wire of length $ 2l $ and radius 2r of the same material will have breaking stress in $ (kwt/{{m}^{2}}) $ :

The alloy of copper, which does not contain zinc is:

Ratio of radius of atom to that of nucleus is of the order of:

If the over bridge is concave instead of being convex. The thrust on the road at the highest position will be :

Heavy water is obtained:

Each of the numerous tiny apertures on the body of sponge is known as:

Conversion of n-hexane to benzene, in the presence of chromic acid, is called:

AT NTP the rms velocity of hydrogen molecules is 1.8 km/s. Under the same conditions the rms velocity of oxygen molecules in km/s will be:

Octonucleated cyst stage is found in:

Protozoan living in the seminal vesicles of earthworm is:

Human eye lens is:

The tadpole resembles fish most during this stage:

Which one of the following is a genetic disease?

Birds like eagle and hawk in a grassland ecosystem are regarded as: