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

The process involves smelting is
Which one of the following is the correct statement?
The atomic radius of Ne is
A work is done on the system such that one mole of an ideal gas at 400K is compressed isothermally and reversibly to 1/10th of its original volume. The amount of (use R=2 cal) work done will be
When a sample of aluminium of unknown mass was subjected to 1.8 kJ of heat, the temperature of the aluminium sample increased from 26°C to 31°C. What was the mass of the sample? (specific heat of Al = 0.90 J/g°C)
Sulphur(s) when react with HNO\(_3\) (conc.) Green mainly gives:
The correct increasing order of solubility of sulphates in water is:
100 g of O2 and 100 g of He(g) are in separate containers of equal volume. Both gases are at 100°C. Which one of the following statements is true?
When Z grams of calcium carbonate completely burnt in air gives 28g of a solid compound, the mass of calcium carbonate used will be:
Benzene and toluene combine to form an ideal solution. At 80°C, vapour pressure of pure benzene is 800 mmHg and the vapour pressure of pure toluene is 300 mmHg. If the vapour pressure of the solution is 400 mmHg, what are the mole fractions of benzene and toluene?
In a sodium-sulphur battery, what is the half reaction for sodium in the spontaneous direction?
Terylene is a condensation polymer of ethylene glycol and
Compound A undergoes the following reaction to form B and C: \[ \text{KNO}_3 + \text{KOH} \to \text{Black coloured solid} (A) \xrightarrow{\text{heated}} \text{Green coloured solid B} + \text{Pink solution + A} (\text{C decolorised by Fe}^{2+}) \] Identify A, B, and C respectively
Which of the following statements about halogens are correct?
Which of the following is not a true statement about ozone?
Which of the following relation is correct for gaseous and reversible reactions?
What is the bond angle between Cl-O-Cl in Cl\(_2\)O\(_7\)?
If the dipole moment of HBr is \( 2.60 \times 10^{-30} \, \text{Cm} \) and the interatomic spacing is 1.41 Å, then the percent ionic character of HBr is:
What is the conjugate base of H\(_2\)SO\(_4\)?
The combustion of carbon monoxide yields carbon dioxide. The volume of oxygen gas needed to produce 22 g of carbon dioxide at STP is
A metal rod is in thermal contact with the two heat reservoirs both at constant temperature, one at 100K and the other at 200K. The rod conducts 1000 J of heat from the warmer to the colder reservoir. If no energy is exchanged with the surroundings, what is the total change of entropy?
Which of the following compounds produces the most heat per mole of compound when reacted with oxygen?
From the following which pairs give the faster SN2 reaction?
The correct set of quantum numbers for an element (Z=17) for the unpaired electron will be
Which of the following transition of an electron in H-atom will emit maximum energy?