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- Question
Pick out the wrong statement:
Options- A. Clausius-Clapeyron equation relates the latent heat of vaporisation to the slope of the vapor pressure curve.
- B. At the boiling point of liquid at the prevailing total pressure, saturated absolute humidity is infinite.
- C. Percentage saturation and relative saturation are numerically equal for an unsaturated vapor gas mixture.
- D. Clapeyron equation is given by,
; where, P = vapor pressure, T = absolute temperature, ? = latent heat of vaporisation, VG and VL = volumes of gas and liquid respectively. - Correct Answer
- Percentage saturation and relative saturation are numerically equal for an unsaturated vapor gas mixture.
- 1. Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole.
Options- A. 57.46
- B. -57.46
- C. 114.92
- D. -28.73 Discuss
- 2. Kopp's rule is useful for the determination of
Options- A. molal heat capacities of gases.
- B. heat capacities of solids.
- C. activation energy.
- D. heat capacities of gases. Discuss
- 3. The temperature at which a real gas obeys Boyle's law is termed as the
Options- A. triple point
- B. Boyle's temperature
- C. eutectic point
- D. inversion temperature Discuss
- 4. Which of the following gases is the most soluble in water?
Options- A. NH3
- B. CO2
- C. H2S
- D. CH4 Discuss
- 5. Cv for monoatomic gases is equal to(where, R = gas constant)
Options- A. R
- B. 1.5 R
- C. 2R
- D. 3R Discuss
- 6. __________ fuels require the maximum percentage of 'excess air' for complete combustion.
Options- A. Solid
- B. Liquid
- C. Gaseous
- D. Nuclear Discuss
- 7. A 'limiting reactant' is the one, which decides the __________ in the chemical reacation.
Options- A. equilibrium constant
- B. conversion
- C. rate constant
- D. none of these Discuss
- 8. For an ideal gas, the compressibility factor
Options- A. decreases with pressure rise.
- B. is unity at all temperature.
- C. is unity at Boyle's temperature.
- D. zero. Discuss
- 9. A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be
Options- A. 0°C
- B. 0°K
- C. -136.5°C
- D. -136.5°K Discuss
- 10. In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure.
Options- A. kg of solute/kg of solvent
- B. kg-mole of solute/kg-mole of solvent
- C. kg-mole of solute/1000 kg of solvent
- D. all (a), (b) & (c) Discuss
Stoichiometry problems
Search Results
Correct Answer: 57.46
Correct Answer: heat capacities of solids.
Correct Answer: Boyle's temperature
Correct Answer: NH3
Correct Answer: 1.5 R
Correct Answer: Solid
Correct Answer: conversion
Correct Answer: is unity at all temperature.
Correct Answer: -136.5°C
Correct Answer: all (a), (b) & (c)
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