Freezing Point Of The Solvent(General Knowledge > General Science ) Questions and answers for exam Preparation

Question 1. Which of the following 0

C6H12O6
KCl
Al2(SO4)3
C12H22O11

Explanation:-

Answer: Option C. -> Al2(SO4)3

Question 2. The amount of urea to be dissolved in 500 cc of water (K = 1

0.3g
3g
6g
9g

Explanation:-

Answer: Option B. -> 3g

Question 3. The maximum freezing point falls in

Naphthalene
Camphor
Water
Benzene

Explanation:-

Answer: Option B. -> Camphor

Question 4. The freezing point of a solution prepared from 1

105.7
106.7
115.3
93.9

Explanation:-

Answer: Option A. -> 105.7

Question 5. An aqueous solution of a non-electrolyte boils at 100

0o C
-1.86o C
1.86o C
None of the above

Explanation:-

Answer: Option B. -> -1.86o C

Question 6. What is the effect of the addition of sugar on the boiling and freezing points of water

Both boiling point and freezing point decreases
Both boiling point and freezing point increases
Boiling point increases and freezing point decreases
Boiling point decreases and freezing point increases

Explanation:-

Answer: Option C. -> Boiling point increases and freezing point decreases

Question 7. The freezing point of 1 percent solution of lead nitrate in water will be

0o C
1o C
2o C
Below 0o C

Explanation:-

Answer: Option D. -> Below 0o C

Question 8. Which of the following aqueous molal solution have highest freezing point

Aluminium sulphate
Potassium bromide
Barium chloride
Urea

Explanation:-

Answer: Option D. -> Urea

Question 9. Which will show maximum depression in freezing point when concentration is 0

Urea
NaCl
Glucose
K2SO4

Explanation:-

Answer: Option D. -> K2SO4

Question 10. A 0

-0.93oC
0.93oC
-1.86oC
1.86oC

Explanation:-

Answer: Option A. -> -0.93oC