If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is _____________ times?

Related Mcqs:

The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?

A. 1 B. 6 C. 3 D. 4...

Beryllia (which is used in making crucibles for melting uranium & thorium) is superior to alumina in all respects for high temperature (> 1900°C ) use, except______________?

A. Cost B. Electrical conductivity C. Thermal conductivity D. Fusion point...

Boiling point of a solution as compared to that of the corresponding solvent is _________________?

A. Less B. More C. Same D. Either more or less; depends upon the solvent...

Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?

A. Temperature B. Nature of solute C. Pressure D. Nature of solvent...

80 kg of Na2SO4 (molecular weight = 142) is present in 330 kg of an aqueous solution. The solution is cooled such that. 80 kg of Na2SO4 .10H2O crystals separate out. The weight fraction of Na2SO4 in the remaining solution is_________________?

A. 0.00 B. 0.18 C. 0.24 D. 1.00...