List of top Questions asked in GUJCET- 2025

Kemi samagri ni enthalpy ma kyare badi badlavi aave che?
Which of the following is the correct relationship in terms of the physical properties of a substance?
Which of the following is the correct chemical structure for the compound based on the given options?
The solution of NaCl is prepared with the following concentrations. What is the volume percentage (V/V) of NaCl?
What is the most suitable solvent for the reaction to proceed effectively?
In the reaction, what is the oxidation state of Mn in the compound MnO\(_2\)?
Which of the following represents the correct order of reactivity in the given nucleophilic substitution reactions? (Choose the correct option)
i) \( \text{Sodium acetate} \rightarrow \) Cyclohexane.
ii) \( \text{KCl} \rightarrow \) Cyclohexane.
iii) \( \text{CH}_3\text{OH} + \text{Cl} \rightarrow \) New compound.
iv) \( \text{CH}_3\text{CN} \rightarrow \) Cyclohexane via substitution.
For the given cell reaction \( E_{\text{cell}} = 1.1 \, \text{V} \), what is the equilibrium constant \( K_c \) for the reaction?
Proteins undergo polymerization to form long chains and are organized in the structure of a complex molecule. What kind of bonding is involved in their structure?
How many atoms of oxygen are present in the molecule of a compound with the given molecular structure?
What is the correct reagent to carry out the reaction with the given alkyl halide?
What is the correct reagent to convert the given compound into the desired product?
Which of the following is the best solvent for carrying out a nucleophilic substitution reaction with a halide?
In the given reaction, the transformation involves the following: \[ \text{C}_6\text{H}_5\text{CH}_2\text{OH} \xrightarrow{H_2SO_4, 413K} S_N2 \] What is the product of the reaction?
What is the most commonly used energy source in everyday life?
What is the current flowing in the circuit shown? (The resistor is 100$Ω$, and the voltage is +6V and +5V).
The top and bottom parts of a cylindrical tube are in contact with each other. Which statement is correct?
The angle \( \phi \) is the angle of elevation from the horizontal to the object. The angle of elevation of the object from the point of observation is \( 1^\circ \). The horizontal distance between the object and the observer is given as \( d \). What is the expression for the distance in terms of \( \phi \)?
Which isotope is represented by \( 12_6C \)?
A long solenoid with a length of 0.15 m is connected to a current of 30 A. What will be the magnetic flux produced by the solenoid?
If an object is placed in front of a concave mirror at a distance of 46 cm, what will be the angle formed?
In a resistor network with resistance \( R \), what is the ratio of the total resistance when the resistances are combined in series and parallel?
In the nuclear fusion reaction \( 4^1H + 2e^- \to 2v + 6\gamma + \), what is the missing product?
In a diagram where the electric field is plotted against distance, what will the graph of the magnetic field \( B \) with respect to the distance \( r \) look like?
A resistor of value 200Ω and capacitance 15μF are connected in series. What is the total time constant of the circuit?