List of practice Questions

The equation of the plane which bisects the angle between the planes $$ 3x - 6y + 2z + 5 = 0 \quad \text{and} \quad 4x - 12y + 3z - 3 = 0 \quad \text{which contains the origin is:} $$ 

Two coherent sources of light interfere. The intensity ratio of two sources is 1 : 4. For this interference pattern if the value of
\(\frac{I_{max}+I_{min}}{I_{max}-I_{min}}\)is equal to \(\frac{2α+1}{β+3},\)
then α/β will be

The molar conductivity is maximum for the solution of concentration
In fuel cell ___ are used as catalysts.

Which of the following colligative properties can provide molar mass of Proteins, Polymers and colloids with greater precision? 

Which of the following is NOT true about the amorphous solids ?

How many number of atoms are there in a cube based unit cell, having one atom on each corner and two atoms on each body diagonal of cube? 

Vacant Space in a body centered cubic lattice unit cell is about

Identify A and B in the reaction
Identify A and B in the reaction
Which of the following hybrides electron deficient?
In which of the following compounds, an element exhibits two different oxidation States ?

Which among the following has highest pH?

1 mole of HI is heated in a closed container of capacity of 2 L. At equilibrium half a mole of HI is dissociated. The equilibrium constant of the reaction is 

The IUPAC name for
4-oxopentanoic acid
Amphoteric Oxide among the oxide
In oxygen and carbon molecule the bonding is
Element X, Y and Z have atomic number 19, 37 and 55 respectively. Which of the following statements is true about them
If the wavelength of photon is \(2.2 \times 10^{-11}\) and \(h = 6.6 \times 10^{-34} \, \text{Js}\). Then momentum of photon
An Aqueous solution of Alcohol contains 18 g of water and 414 g of ethyl alcohol .The mole fraction of water is
The work done when 2 moles of an ideal gas expands reversibly and isothermally from a volume of 1L to 10L at 300 K is (R = 0.0083 kJK mol-1)
The Volume of 2.8 g CO at 27 degree C and 0.821 atm pressure is (R = 0.08210 Lit. atm \(\text{K}^{-1} \text{mol}^{-1}\))
Which is the most VISCOUS?
Which of the following is an unsaturated hydrocarbon?
The number of sigma (σ) and pi π bonds in C2H2 molecule is
Which of the following metals liberates H2 on reaction with steam but not with cold water?