List of top Questions asked in BITSAT- 2018

Give $\vec{P} = 2 \hat{i} - 3 \hat{j} + 4 \hat {k}$ and $\vec{Q} = \hat{j} - 2 \hat {k} $ The magnitude of their resultant is.

In how many ways can $12$ gentlemen sit around a round table so that three specified gentlemen are always together?

At a place, if the earth's horizontal and vertical components of magnetic fields are equal, then the angle of dip will be

A point object $O$ is placed in front of a glass rod having spherical end of radius of curvature $30\, cm$. The image would be formed at .

The acceleration due to gravity on the surface of the moon is $1/6$ that on the surface of earth and the diameter of the moon is one-fourth that of earth. The ratio of escape velocities on earth and moon will be

The dipole moment of the given charge distribution is:

$10$ forks are arranged in increasing order of frequency in such a way that any two nearest tuning forks produce $4$ beats/sec. The highest frequency is twice of the lowest. Possible highest and the lowest frequencies (in $Hz$ ) are

A body of mass $M$ hits normally a rigid wall with velocity $V$ and bounces back with the same velocity. The impulse experienced by the body is

Arrange the following alcohols in increasing order of their reactivity towards the reaction with $HCl$. $\left( CH _{3}\right)_{2} CH - OH (1),\left( CH _{3}\right)_{3} C - OH (2),\left( C _{6} H _{5}\right)_{3} COH (3)$

Chloroform, $CHCl _{3}$, boils at $61.7^{\circ} C$. If the $K_{b}$ for chloroform is $3.63^{\circ} C / molal$, what is the boiling point of a solution of $15.0\, kg$ of $CHCl _{3}$ and $0.616\, kg$ of acenaphthalene, $C _{12} H _{10}$ ?

$100\, mL \,O _{2}$ and $H _{2}$ kept at same temperature and pressure. What is true about their number of molecules

Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy?

Consider the reactions (A) $H _{2} O _{2}+2 HI \longrightarrow I _{2}+2 H _{2} O$ (B) $HOCl + H _{2} O _{2} \longrightarrow H _{3} O ^{+}+ Cl ^{-}+ O _{2}$ Which of the following statements is correct about $H _{2} O _{2}$ with reference to these reactions? Hydrogen peroxide is ____

The number of ways in which first, second and third prizes can be given to $5$ competitors is

The probability of getting $10$ in a single throw of three fair dice is :

The $25 \,mL$ of a $0.15 \, M$ solution of lead nitrate, $Pb \left( NO _{3}\right)_{2}$ reacts with all of the aluminium sulphate, $Al _{2}\left( SO _{4}\right)_{3}$, present in $20 \,mL$ of a solution. What is the molar concentration of the $Al _{2}\left( SO _{4}\right)_{3}$ ? $3 Pb \left( NO _{3}\right)_{2}( aq )+ Al _{2}\left( SO _{4}\right)_{3}( aq ) \longrightarrow 3 PbSO _{4}( s )+2 Al \left( NO _{3}\right)_{3}( aq )$

The pH of $0.1\, M$ solution of the following salts increases in the order :

For the reaction taking place at certain temperature ${NH_2 COONH_4 (s) <=> 2NH_3 (g) + CO_2 (g) }$, if equilibrium pressure is 3X bar then $ \Delta_G$ would be

The value of $\displaystyle\lim_{n \to\infty} \frac{1+2+3+...n}{n^{2}+100}$ is equal to :

In the circuit shown, the symbols have their usual meanings. The cell has emf $E$. $X$ is initially joined to $Y$ for a long time. Then, $X$ is joined to $Z$. The maximum charge on $C$ at any later time will be

Eccentricity of ellipse $\frac{x^{2} }{a^{2}} + \frac{y^{2}}{b^{2}} = 1 $ if it passes through point $(9, 5)$ and $(12, 4)$ is

The coefficient of $x^3$ in the expansion of $\left(x -\frac{1}{x}\right)^{7}$ is :

Following are colours shown by some alkaline earth metals in flame test. Which of the following are not correctly matched?

If the Planck?s constant $h = 6.6 \times 10^{-34} \, Js$, the de Broglie wavelength of a particle having momentum of $3.3 \times 10^{-24} \, kg \, ms^{-1}$ will be

Consider the equation of a parabola $y^2 + 4ax = 0$, where $a > 0$ which of the following is/are correct?