List of top Chemistry Questions asked in BITSAT

The false statement among the followings:
The atomic radius of atom is r. Total volume of atoms present in an fcc unit cell of an element is:
Which one of the following statements is false?
The degree of dissociation of Ca(NO₃)₂ in a dilute aqueous solution containing 7.0 g of salt per 100 g of water at 100C is 70%. If vapour pressure of water at 100C is 760 mm Hg, the vapour pressure of the solution is:
When the sample of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are: c c Cathode & Anode
The conductivity of a saturated solution of BaSO₄ is 3.06 × 10⁻⁶ Ω⁻¹cm⁻¹ and its equivalent conductance is 1.53 Ω⁻¹cm²eq⁻¹. The Kₛp for BaSO₄ is:
A cell that utilises the reaction Zn(s) + 2H^+(aq) Zn²⁺(aq) + H₂(g) addition of H₂SO₄ to cathode compartment, will:
The chemical reaction 2O₃ → 3O₂ proceeds as follows: O₃ fast O₂ + O O + O₃ slow 2O₂ The rate law expression should be:
Among the following statements the incorrect one is:
Cinnabar is an ore of:
Which of the following is used in the preparation of chlorine?
Which of the following elements does not belong to the first transition series?
For making good quality mirrors, plates of float glass are used. These are obtained by floating molten glass over a liquid metal which does not solidify before glass. The metal used can be
Interparticle forces present in nylon-66 are:
The value of x is maximum for
At 25°C and 1 bar which of the following has a non-zero Δ Hf^ ?
If the equilibrium constant of the reaction 2HI H₂ + I₂ is 0.25, then the equilibrium constant for the reaction H₂ + I₂ 2HI would be
One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres. The Δ E for this process is (R = 2 cal mol⁻¹ K⁻¹):
The truth table given below corresponds to the logic gate arrayc|c|c A & B & X
0 & 0 & 1
1 & 0 & 0
0 & 1 & 0
1 & 1 & 0 array
Nuclear energy released in fission since binding energy per nucleon is
A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it at the rate of 600 Joule/sec. Find the temperature difference if K = 200 J m⁻¹K⁻¹.
A liquid is flowing through a non-sectional tube with its axis horizontal. If two points X and Y on the axis of tube have sectional area 2.0 cm² and 25 mm² respectively then find the flow velocity at Y when the flow velocity at X is 10 m/s.
Given that A + B = R and A² + B² = R². The angle between A and B is:
In the relation P = (α Z)/(β) e⁻ᵏθ, P is pressure, Z is distance, k is Boltzmann constant and θ is the temperature. The dimensional formula of β will be:
Aluminium reacts with $NaOH$ and forms compound �$X$�. If the coordination number of aluminium in �$X$ � is $6$, the correct formula of $X$ is