List of top Questions asked in Guru Gobind Singh Indraprastha University Common Entrance Test

The reaction below represents the Haber process for the industrial production of ammonia, \[ N_2(g) + 3H_2(g) \rightleftharpoons 2NH_3(g); \Delta H^\circ = -92 \, {kJ} \] The optimum conditions of temperature and pressure are chosen as a compromise between those that favour a high yield of ammonia and those that favour a fast rate of production. Economic considerations are also important. Which statement is correct?
An object experiences a greater buoyant force in seawater than in fresh water. The most likely reason for this is
Beryllium gives a compound X with the following percentage composition: Be = 6.1%, N = 37.8%, Cl = 48%, H = 8.1%. The molecular weight of X is 148 g/mol and that of Be is 9 g/mol. The molecular formula of the compound is:
Which of the following represents an ester?
Which of the following expressions represents the solubility product for Cu(OH)$_2$?
Given a molecule with the general formula AB, which one of the following would be the most useful in determining whether the molecule was bent or linear?
Among \( [\text{Ni(CN)}_4]^{2-} \), \( [\text{NiCl}_4]^{2-} \), and \( [\text{Ni(CO)}_4] \), which one has the following:
When 2.00 g of a certain volatile liquid is heated, the volume of the resulting vapour is 821 mL at a temperature of 127°C at standard pressure. The molecular mass of this substance is:
\(\text{NH}_3\) has a \( K_b \) of \( 1.8 \times 10^{-3} \). Which of the following has a \( 5.6 \times 10^{-10} \)?
All of the following may be true concerning catalysts and the reaction which catalyse except,
Among all the given compounds, which will have D-configuration?
Which of the following stereoisomers is a major image of itself?
Calculate the mass percent of 60 g H2SO4 dissolved in the solution of 180 mL of water.
What is the minimum power required for heat engine to lift a 80 kg mass 5 m in 20 s if it releases 1000 J of heat energy from its exhaust each second?
What happens when the temperature of a reaction increases?
What is the conjugate base of \(H_2CO_3\) according to the Bronsted-Lowry theory?
Which of the following choices represents \(^{239}_{94}Pu\) producing a positron?
Stomach acid has a pH of approximately 2. Sour milk has a pH of 6. Stomach acid is
For the isoelectronic series \(S^{2-}, Cl^{-}, Ar, K^{+}\) and \(v\), which species requires the least energy to remove an outer electron?
Beyond the critical point of H2O
The energy required to excite the electron in the atom from n=1 to n=2, when the ionisation enthalpy of hydrogen atom is \(1.312 \times 10^6\) J/mol will be (in the unit of \(10^5\))
How many milliliters of water must be added to 50.0 mL of 10.0 M HNO3 to prepare 4.00 M HNO3?
Which of the following molecules can be described as having sp hybridisation?
Which of the following best explains, why a hot air balloon rises?

A gas is enclosed in a metal container with a movable piston on top. Heat is added to the gas by placing a candle flame in contact with the container's bottom. Which of the following is true about the temperature of the gas?