Options:
- A. Ka
- B. Kb
- C. Kc
- D. Ksp
View Answer
D. Ksp
Chemistry
Ka<10-3 means______________?
Options:
- A. Very strong base
- B. Very weak acid
- C. Very strong acid
- D. Very strong salt
View Answer
B. Very weak acid
The main product of bacterial action is_________________?
Options:
- A. Nox
- B. NO2
- C. N2O3
- D. NO
View Answer
D. NO
When common salt is dissolved in water ?
Options:
- A. Boiling point of water decrease
- B. Boiling point of water increase
- C. Boiling point of water remains same
- D. None of the above
View Answer
B. Boiling point of water increase
Which has the minimum freezing point ?
Options:
- A. One Molal NaCI
- B. One molal KCI solution
- C. One molal CaCI2
- D. One molal urea solution
View Answer
C. One molal CaCI2
In crystallization if the solvent is inflammable then direct heating is________________?
Options:
- A. needed
- B. avoided
- C. depends on temperature
- D. crystallization does not involve heating
View Answer
B. avoided
Shaking two immiscible liquids increases_________________?
Options:
- A. Length of contact
- B. Volume of contact
- C. Area of contact
- D. all of above
View Answer
C. Area of contact
The Lewis acids are__________________?
Options:
- A. Electron deficient
- B. Electron rich
- C. Octet is complete
- D. No such acids exist
View Answer
A. Electron deficient
nergy of atom in compound is___________________?
Options:
- A. Higher than individual
- B. Lesser than individual
- C. No change
- D. Impossible to predict
View Answer
B. Lesser than individual
The introduction of Kelvin scale in thermodynamic is according to_______________?
Options:
- A. Boyles law
- B. Charles law
- C. Daltons law
- D. Grahams law
View Answer
B. Charles law