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

The decreasing order of reactivity towards electrophilic addition of the following is: I. CH = CH
II. CH_2 = CH_2
III. H_2C = CH - Cl
An aqueous solution of 2% (wt/wt) non-volatile solute exerts a pressure of 1.004 bar at the boiling point of the solvent. What is the molecular mass of the solute?
The ozone layer forms naturally by
Which of the following statement is applicable for the Tyndall effect?
A catalyst will change all of the following except
On reduction of glycolic acid with HI, the product formed is
The metallic sodium dissolved in liquid ammonia to form a deep blue colour solution. The deep blue colour is due to the formation of
Which of the following statements is not correct?
Which of the following flux is used to remove acidic impurities in metallurgical processes?
Which of the following is used as a food preservative?
Silica is a network solid of silicon and oxygen atoms. The empirical formula for silica is SiO₂. In silica, to how many oxygen atoms is each silicon bonded?
Bakelite is obtained by reaction of phenol with
Curve X on the graph below shows the volume of oxygen formed during the catalytic decomposition of a 1.0 mol dm$^{-3}$ solution of hydrogen peroxide.

Which change would produce the curve Y?
Rate of dehydration of alcohols follows the order
As temperature is increased, the equilibrium of a gaseous reaction will always
Which one of the following is the correct statement?
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
The atomic radius of Ne is
The process involves smelting is
Consider the following mechanism, \[ \text{Cl} + \text{O}_3 \rightarrow \text{ClO} + \text{O}_2 \] \[ \text{ClO} + \text{O} \rightarrow \text{Cl} + \text{O}_2 \] In this mechanism, what is the catalyst?
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)
The correct increasing order of solubility of sulphates in water is:
Sulphur(s) when react with HNO\(_3\) (conc.) Green mainly gives:
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?
In a sodium-sulphur battery, what is the half reaction for sodium in the spontaneous direction?