List of top Questions asked in BITSAT

For the reaction, $N _{2}( g )+3 H _{2}( g ) \rightleftharpoons 2 NH _{3}( g )$, the unit of $K$ is :

Ozone depletion over Antarctica is due to the

One mole of $P _{2} O _{5}$ undergoes hydrolysis as $P _{2} O _{5}+ H _{2} O \rightarrow H _{3} PO _{4}$ The normality of the phosphoric acid formed is (The volume of solution is $1\, L$ )

$1 \,L$ of a gas is at a pressure of $10^{-6} \, mm$ of Hg at $25^{\circ} C$. How many molecules are present in the vessel?

The $pH$ of a $0.01 \,M\, HCN$ solution for which $pK_a$ is $4$ is

The Poisson's ratio of a material is $0.5$. If a force is applied to a wire of this material, there is a decrease in the cross-sectional area by $4 \%$. The percentage increase in the length is:

Which of the following compounds will react with two moles of $CH_3MgBr$ ?

Which of the following is an artificial edible colour ?

The work done in placing a charge of $8 \times 10^{-18} \, C$ on a capacitor of capacity $100\, \mu F$ is

A point source of light is placed $4 \,m$ below the surface of water of refractive index $\frac{5}{3}$. The minimum diameter of a disc, which should be placed over the source, on the surface of water to cut-off all right coming out of water is

A toroidal solenoid with an air core has an average radius of $15 \,cm$, area if crosssection $12\, cm ^{2}$ and $1200$ turns. Ignoring the field variation across the cross- section of the toroid, the self-inductance of the toroid is:-

Which anion is the weakest base?

$1 \,g$ of $U -235$ is converted into $UF _{6}$. The radioactivity of $UF _{6}$ thus obtained is :

The product/s of the reaction, is/are: $Na _{2} CO _{3}+ CO _{2}+ H _{2} O \rightarrow$

The sum of the series $\log _{4} 2-\log _{8} 2+\log _{16} 2-\ldots$ is

The velocity of efflux of a liquid through an orific in the bottom of the tank does not depend upon

A ball is dropped from height h and another from $2h.$ The ratio of time taken by the two balls to reach the ground is

If density of earth increases $4$ times and its radius becomes half of what it is, our weight will

Which of the following is not an example of perfectly inelastic collision?

Which of the following pairs has both members from the same period of periodic table :

In the periodic table, with the increase in atomic number, the metallic character of an element

Three separate samples of a solution of a single salt gave these results. One formed a white precipitate with excess ammonia solution, one formed a white precipitate with dil. $HCl$ solution and one formed a black precipitate with $H_{2} S$. The salt could be

Liebig? method is used for the estimation of

Minamata disease is due to pollution of

The value of $\cos^{-1}x + \cos^{-1} \left(\frac{x}{2} + \frac{1}{2} \sqrt{3-3x^{2}}\right) ; \frac{1}{2} \le x \le 1 $ is