Options:
- A. Molarity
- B. Molality
- C. Mole fraction
- D. all
View Answer
B. Molality
Chemistry
The use of CaCl2 and PCl5 in the process of crystallization is as a____________________?
Options:
- A. oxidizing agent
- B. reducing agent
- C. drying agent
- D. colouring agent
View Answer
C. drying agent
Selection of filter paper depends on size of particles to be________________?
Options:
- A. filtered
- B. dried
- C. decolorized
- D. decanted
View Answer
A. filtered
Elements of group IA IIA are _________________?
Options:
- A. Electronegative
- B. Electropositive
- C. Neutral
- D. IA is electropositive while IIA is electronegative
View Answer
B. Electropositive
Which one shows high %age of the ionic character ?
Options:
- A. H2O
- B. HF
- C. HCI
- D. HBr
View Answer
B. HF
Under what conditions the gases deviate from the ideal behavior ?
Options:
- A. High temperature
- B. Low temperature
- C. High pressure
- D. B and C
View Answer
D. B and C
Linds method is employed for__________________?
Options:
- A. Separation of gases
- B. Expansion of gases
- C. Compression of gases
- D. Liquefaction of gases
View Answer
D. Liquefaction of gases
The gases become non-ideal at ________________?
Options:
- A. High temperature and high pressure
- B. Low temperature and low pressure
- C. High temperature and low pressure
- D. Low temperature and high pressure
View Answer
D. Low temperature and high pressure
Addition of CH3COOH and CH3COONa gives in water_______________?
Options:
- A. Standard solution
- B. buffer solution
- C. acidic buffer solution
- D. both B & C
View Answer
D. both B & C
Idea of pH and pOH was put forward by________________?
Options:
- A. Gibbs
- B. Einstein
- C. Sorenson
- D. Chadwick
View Answer
C. Sorenson