Question:
In Universal indicators, a pH of 7 is shown with:-
In Universal indicators, a pH of 7 is shown with:-
Updated On: Feb 24, 2026
- Yellow color
- Green color
- Blue color
- Pink color
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
The correct answer is option (B) : Green color
Was this answer helpful?
0
0
Top GPAT Physical Chemistry Questions
- Stability index, determined for evaluating the stability of oil–water viscous emulsions, based on electric conductivity changes during non‐destructive short heating–cooling–heating cycles,
A. is defined as \(\frac{Δ}{h}\), where h is the change in the conductivity between 35°C and 45°C and Δ is the conductivity interval within the two heating curves at 35°C
B. indicates the relative change in enthalpy between two cycles
C. is defined as \(\frac{2Δ}{h}\), where h is the change in the conductivity between 35°C and 45°C and Δ is the conductivity interval within the two heating curves at 35°C
D. indicates the relative change in conductivity between two cycles
Choose the correct answer from the options given below: - Which one of the following is a rate equation for second order bimolecular reaction if, a and b are the initial concentrations of A and B, respectively, and x is the concentration of each species reacting in time t and k is second‐order reaction
- The temperature at which the solubility of the surfactant is equal to the CMC, is called as
- Dynamic Vapour Sorption (DVS) isotherm is a plot of A versus B
- Which is NOT the colligative property?
(A)Depression of freezing point
(B) Elevation of boiling point
(C)Elevation of vapour pressure
(D) Osmotic pressure
Choose the correct one of the following:
View More Questions
Top GPAT Solutions Questions
- The temperature at which the solubility of the surfactant is equal to the CMC, is called as
- The properties of solutions containing surface active agents change sharply over a narrow concentration range and are called as
- Burow's solution is:
- When 50 ml of sodium hydroxide (0.1 M) is added to 100 mL of 0.1 M acetic acid, pH of the resultant solution is ___
Ka of acetic acid =\(1.82\times10^{-5}\) - Dakin's solution is a synonym for :
View More Questions
Top GPAT Questions
- Match the symbols in the List I with the terms used in the List II of conductance measurements, and
List I
SymbolsList II
TermsA \(\Omega^{-1}\) I Specific conductance B \(∧\) II Electrical conductance C k III Specific resistance D \(\rho\) IV Equivalent conductance
Choose the correct answer from the options given below: - Cottrell’s method is used for the measurement of:
- Match the statements in List I with their correct answers in List II, respectively, in respect to modified 1st law of thermodynamics, and
List I
List II
A Constant heat (q = 0) I Isothermal B Reversible process at constant temperature (dT = 0) II Isometric C Constant volume (dV = 0) III Adiabatic D Constant pressure (dP = 0) IV Isobar
Choose the correct answer from the options given below: - Boric acid with molecular weight 61.83 was partitioned between water and amyl alcohol at 25 °C. The amount of boric acid was determined to be 0.24 g in 250 ml of amyl alcohol and 0.32 g in 100 ml water. The partition coefficient of boric acid between water and amyl alcohol, when calculated at molar concentration for each of the solution, is:
- Drugs ‘A’, ‘B’ and ‘C’ follow zero order, first order and second order degradation kinetics, respectively, but have the same rate constant. Which of the following statement is true in this respect:
View More Questions