Discussion
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- Question
The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be
Options- A. basic
- B. more acidic
- C. neutral
- D. of the same acidity
- Correct Answer
- basic
- 1. 1 ata is equivalent to
Options- A. 1 atm.
- B. 10 torr
- C. 0.98 Pascal
- D. 1 kgf/cm2 Discuss
- 2. Number of gm moles of solute dissolved in 1 kg of solvent is called its
Options- A. normality
- B. molarity
- C. molality
- D. formality Discuss
- 3. NaOH contains __________ percent oxygen.
Options- A. 1
- B. 10
- C. 16
- D. 40 Discuss
- 4. A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c.
Options- A. 283
- B. 566
- C. 293
- D. 141.5 Discuss
- 5. A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of
Options- A. 3
- B. 100
- C. 1000
- D. none of these Discuss
- 6. 1 centipoise is equivalent to
Options- A. 1 gm/cm.second
- B. 1 centistoke
- C. 2.42 lb/ft.hr
- D. 2.42 lb/ft.second Discuss
- 7. Number of gm moles of solute dissolved in one litre of a solution is called its
Options- A. equivalent weight
- B. molarity
- C. molality
- D. normality Discuss
- 8. Total energy at a point comprises of __________ energy.
Options- A. potential & kinetic
- B. pressure
- C. internal
- D. all (a), (b) & (c). Discuss
- 9. 1 BTU/ft3 is approximately equal to __________ kcal/m3.
Options- A. 1
- B. 9
- C. 4
- D. 252 Discuss
- 10. What is the total pressure exerted by a mixture of 0.45 kg mole of benzene, 0.44 kg mole of toluene and 0.23 kg mole of o-xylene at 100°C, if their vapor pressures at 100°C are 1340, 560 and 210 mmHg respectively?
Options- A. 756.2
- B. 780.5
- C. 801.5
- D. 880.5 Discuss
Stoichiometry problems
Search Results
Correct Answer: 1 kgf/cm2
Correct Answer: molality
Correct Answer: 40
Correct Answer: 293
Correct Answer: 1000
Correct Answer: 2.42 lb/ft.hr
Correct Answer: molarity
Correct Answer: all (a), (b) & (c).
Correct Answer: 9
Correct Answer: 801.5
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