Solutions and Electro Chemistry test 2

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A test from chapter 9 and chapter 10 i.e Solutions and Electrochemistry part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. Which concentration unit is temperature dependent

A) molarity
B) molality
C) mole fraction
D) ppm

2. What is the unit of molarity?

A) Mole/dm3
B) Mole/kg
C) PPM
D) none

3. Which one of the following is used for very low concentration?

A) Molality
B) Molarity
C) Mole fraction
D) PPM

4. Which of the following pair of liquids is not completely miscible?

A) Alcohol and Water
B) Alcohol and ether
C) Phenol and water
D) Benzene and cryclohexane

5. Conjugate solutions are formed by mixing

A) Completely miscible liquids
B) Immiscible liquids
C) Partially miscible liquids
D) A solid with liquid

6. When equal volumes of phenol and water are mixed at 25 degree centigrade then the upper layer is

A) 10 % solution of phenol in water
B) 5 % solution of phenol in water
C) 15 % solution of phenol in water
D) 20 % solution of phenol in water

7. A solution physically exist in how many phases?

A) 3
B) 6
C) 9
D) 1

8. The critical solution temperature of phenol water system is

A) 35.5 degree centigrade
B) 49.5 degree centigrade
C) 65.9 degree centigrade
D) 57.8 degree centigrade

9. At consulate temperature phenol water system contai

A) 25% phenol
B) 34% phenol
C) 44% water
D) 60% water

10. In which of the following concentration unit. Solution is taken in kg?

A) Molarity
B) Molarity
C) Mole fraction
D) one