Related Questions

Hydrogen peroxide _____ as a bleaching agent because it effectively whitens a variety of fibres abd surfaces.
A used
B is used
C is using
D that it use
Hydrogen peroxide can be neutralized in our body by
A Glutathione peroxidase
B Catalase
C Superoxide dismutase
D Myeloperoxidase
E Glucose 6-phosphate dehydrogenase (G6P
Hydrogen peroxide can be neutralized by
A Catalase
B Glutathione peroxidase
C Superoxide dismutase
D Myeloperoxidase
E Glucose 6- phosphate dehydrogenase
An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a
A PH meter
B Polarimeter
C Chromatograph
D Polarograph
If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times.
A 10
B 20
C 70
D 100
The pH scale measures the hydrogen ion concentration in a solution. What does P mean in this?
A Power
B Potenz, which means power in German
C Potential, which means comfort in German
D Potency, which means power in German
The pH value is the measure of hydrogen ion concentration in a solution. The term pH stands for the __________ in the solution.
A Power of hydrogen ion concentration
B Percentage of hydrogen ions
C Presence of hydrogen ions
D None of these
Hydrogen ion concentration in distilled water is
A 10-7
B 7 × 10-7
C 107
D 7 × 107
pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be
A 0
B 10
C 7
D 14
Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
A Exact concentration of solution is not given
B Character of semi permeable membrane is not given
C The flow of solution is not possible through semi permeable membrane
D All are incorrect

Next steps