Options:
- A. 16 gmol-1
- B. 32 gmol-1
- C. 48 gmol-1
- D. 64 gmol-1
View Answer
B. 32 gmol-1
Chemistry
What do we call to sudden expansion of plasma ?
Options:
- A. Avogadros law
- B. Grahams law of diffusion
- C. Joule Thompson effect
- D. Daltons law of partial pressure
View Answer
C. Joule Thompson effect
Negative log of mular concentration of H+ ions is called___________________?
Options:
- A. pH
- B. pOH
- C. pKa
- D. pKw
View Answer
A. pH
At start of reaction the concentration of reactants is_______________?
Options:
- A. high
- B. low
- C. according to Kc
- D. constant
View Answer
A. high
The main pollutant of leather tanneries in the waste water is____________________?
Options:
- A. chromium III
- B. chromium IV
- C. chromium V
- D. chromium VI
View Answer
B. chromium IV
Ozone hole is substantial depletion of ozone in every year during__________________?
Options:
- A. Aug
- B. Sep
- C. Nov
- D. Dec
View Answer
B. Sep
Water of crystallization can be removed by________________?
Options:
- A. drying
- B. heating
- C. evaporation
- D. All of the above
View Answer
B. heating
Direct conversion of solids into vapours is called ___________________?
Options:
- A. Solvent extraction
- B. sublimation
- C. crystallization
- D. vaporization
View Answer
B. sublimation
Which is not related pair of term used in analytical techniques________________?
Options:
- A. Filtrate residue
- B. Sublimate sublimation
- C. Drying desiccator
- D. Separating funnel mother liquor
View Answer
B. Sublimate sublimation
Greater shielding effect corresponds to ionization energy value___________________?
Options:
- A. Greater
- B. Lesser
- C. Remain same
- D. No effect
View Answer
B. Lesser