Options:
- A. 60
- B. 70
- C. 80
- D. 90
View Answer
C. 80
Chemistry
Which of the following are the conditions of colligative properties_______________?
Options:
- A. Non-electrolye solute
- B. Non-volatile solute
- C. Dilute solution
- D. All of the above
View Answer
D. All of the above
The molal boiling point constant is the ration of the elevation of boiling point to____________________?
Options:
- A. Molarity
- B. Molality
- C. More fraction of solvent
- D. Mole fraction of solute
View Answer
B. Molality
In solvent extraction ether is used to separate products of organic synthesis from________________?
Options:
- A. water
- B. iodine
- C. hydrochloric acid
- D. gases
View Answer
A. water
Which is not a sublime material_______________?
Options:
- A. Iodine
- B. Benzoic acid
- C. Ammonium chloride
- D. Potash alum
View Answer
D. Potash alum
Mostly ionic compound are produced in between elements of_________________?
Options:
- A. IA and VIA
- B. IA IIA and VIIA
- C. IB and VIIB
- D. IA and IB
View Answer
B. IA IIA and VIIA
Which of the following have their outer most shell complete in atomic form ?
Options:
- A. Noble gases
- B. Alkali metals
- C. Coinage metals
- D. Gun metals
View Answer
A. Noble gases
Which one has the lowest density at room temperature ?
Options:
- A. Ne
- B. N2
- C. NH3
- D. CO
View Answer
C. NH3
Which of these gases diffuse more quickly than oxygen ?
Options:
- A. H2S
- B. NO
- C. Cl2
- D. N2O
View Answer
B. NO
The pH of 10-3 mol dm-3 of an aqueous solution of H2SO4 is_________________?
Options:
- A. 3
- B. 2.7
- C. 2
- D. 1.5
View Answer
B. 2.7