Related Questions

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
একটি দ্রবণে H+ আয়নের ঘনমাত্রা 10-4 molL-1 হলে উক্ত দ্রবণের pOH কত? (If the concentration of H+ ion in a solution is 10-4 molL-1, what is the pOH of the solution?)
A 10
B 4
C 6
D 14
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
Hydrogen ion concentration in distilled water is
A 10-7
B 7 × 10-7
C 107
D 7 × 107
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
In which of the following solution the concentration of H+ ion is the maximum?
A pH 6
B pH 8
C pH 5
D pH 9
pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be
A 0
B 10
C 7
D 14
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg

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