Discussion
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- Question
Othmer chart is useful in estimating the heat of
Options- A. mixing
- B. wetting
- C. adsorption
- D. none of these
- Correct Answer
- adsorption
- 1. Which of the following ideal gas laws are not applicable to mixture of gases?
Options- A. Amgat's law
- B. Dalton's law
- C. Boyle's law & Charle's Law
- D. none of these Discuss
- 2. The increase in the temperature of the aqueous solution will result in decrease of its
Options- A. weight % of the solute.
- B. mole fraction of the solute.
- C. molarity.
- D. molality. Discuss
- 3. In the reaction, Ca + 2H2O = Ca(OH)2 + H2 ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40)
Options- A. 4480
- B. 2240
- C. 1120
- D. 0.4 Discuss
- 4. The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent.
Options- A. less than
- B. more than
- C. equal to
- D. either more or less; depends on the solvent Discuss
- 5. Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.
Options- A. 3
- B. > 3
- C. < 3
- D. < 1 Discuss
- 6. __________ equation relates latent heat and boiling point.
Options- A. Antonie
- B. Kistyakowsky
- C. Kopp's
- D. Trouton's Discuss
- 7. With rise in temperature, the heat capacity of a substance
Options- A. increases
- B. decreases
- C. remains unchanged
- D. either (a) or (b); depends on the substance Discuss
- 8. Heat of reaction is a function of the
Options- A. pressure
- B. temperature
- C. both(a)&(b)
- D. neither (a) nor (b) Discuss
- 9. Cp - Cv, for an ideal gas is equal to
Options- A. R
- B. R/2
- C. 2R
- D. 3R Discuss
- 10. 1 bar is almost equal to __________ atmosphere.
Options- A. 1
- B. 10
- C. 100
- D. 1000 Discuss
Stoichiometry problems
Search Results
Correct Answer: Boyle's law & Charle's Law
Correct Answer: molarity.
Correct Answer: 4480
Correct Answer: less than
Correct Answer: > 3
Correct Answer: Trouton's
Correct Answer: increases
Correct Answer: both(a)&(b)
Correct Answer: R
Correct Answer: 1
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