ECAT Pre Engineering Chemistry Chapter 9 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 9 Solutions

Try The MCQ's Test For ECAT Chemistry Chapter 9 Solutions

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 9 Solutions

00:00
Question # 1

The process in which solvent particles surround solute particles is called

Question # 2

According to Raoult's law

Question # 3

The substance which is present in large quantity is called a :

Question # 4

Which of the following is not a colligative property?

Question # 5

The term cryoscopy is used for

Question # 6

In azeotropic mixture showing negative deviation form Raoult's law show

Question # 7

10g Of NaOH Has Been Dissolved Perdm3of solution. The morality of solution is :

Question # 8

The osmotic pressure of 1 m solution at 27°C is

Question # 9

17.1 grams sucrose (C12H22O11) dissolved in 250 cm3 of solution. This has molarity

Question # 10

Elevation of boiling point is measured by

Question # 11

Cane sugar is not soluble in benzene but soluble in water because

Question # 12

0.1 molar glucose (C6H12O6) solution has the % W/N

Question # 13

Which of the statements given below concerning properties of solution, describe a colligative effect?

Question # 14

Number of moles of the solute dissolved per dm3of the solution is knows as

Question # 15

Which is not a colligative property?

Question # 16

Which of the following salts mixed with ice to make the freezing mixture used in ice cream machine

Question # 17

The temperature at which the vapour pressure of a liquid becomes equal to external pressure is

Question # 18

In which type of following solutions we don't know the total volume of the solutions :

Question # 19

Equal volumes of 0.1 M AgNO3and 0.2 M NaCl are mixed. The concentration of NO-3 ions in the mixture will be

Question # 20

The vapour pressure of two liquids 'p' and 'Q' are 80 and 60 torr respectively. The total vapour pressure of solution obtained by mixing 3 mole of P and 2 mol of Q would be

Question # 21

Solution which distill without change in composition or temperature are called

Question # 22

Freezing point depression is measured by

Question # 23

The molar boiling point constant is the ration of elevation in boiling point to :

Question # 24

The number of moles of solute in 1000g (1 Kg) of the solvent is called :

Question # 25

Water shows maximum density at

Question # 26

Solubility of a substance in water decreases with rise in temperature except

Question # 27

The freezing mixture used in ice cream machine consists of ice and

Question # 28

A solution containing maximum amount of solute dissolved at a given temperature is called

Question # 29

Hydrolysis of potassium acetate produces

Question # 30

Which statement is incorrect for and ideal solution

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 9 Solutions MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 9 Solutions MCQ`s Test

  • A
    Abdul Ghaffar 05 - Jul - 2023 00 Min 04 Sec 120/120
  • A
    Abubakar basra 01 - Mar - 2024 04 Min 25 Sec 120/120
  • H
    Huzaifa Asim 28 - May - 2024 10 Min 32 Sec 115/120
  • M
    M Umer Arain 12 - Nov - 2024 00 Min 10 Sec 110/120
  • N
    Nasreen Sardar 07 - Jun - 2023 06 Min 19 Sec 105/120
  • D
    Daim Ali 04 - Dec - 2023 03 Min 55 Sec 90/120
  • S
    samiullah asif 28 - Feb - 2024 13 Min 05 Sec 90/120
  • A
    Ayesha Shahid 15 - Mar - 2023 14 Min 58 Sec 85/120
  • S
    Shazi Ansari 06 - Jun - 2024 01 Min 59 Sec 80/120
  • H
    Hamza Malhi 10 - Mar - 2024 20 Min 56 Sec 75/120
  • U
    Unaiza Usman 21 - Feb - 2024 00 Min 58 Sec 70/120
  • U
    Usman Irshad 04 - Mar - 2024 06 Min 26 Sec 65/120
  • T
    Tamshi Sohail 21 - Apr - 2024 13 Min 26 Sec 65/120
  • L
    Laiba Siddiquee 29 - Feb - 2024 02 Min 52 Sec 60/120
  • A
    Asim Akram 25 - Jan - 2024 05 Min 27 Sec 55/120

ECAT Chemistry Chapter 9 Important MCQ's

Sr.# Question Answer
1 10% aqueous solution of NaCI has molarity
A. 1.7 M
B. 2.7 M
C. 0.17 M
D. 3.7 M
2 The substance which contains the water of crystallization is called
A. Hydrated
B. Solvated
C. Crystal
D. None
3 In which type of following solutions we don't know the total volume of the solutions :
A. Percentage weight/weight
B. Percentage weight/volume
C. Percentage volume/volume
D. Percentage volume/weight
4 What happens when isotonic solution of A (mol.wt.342) and B (mol.wt 60) are put in to communication through semipermeable membrane?
A. Transference of solvent from solution A to that of B take place
B. Transference of solvent from solution B to that of A takes place
C. No transference of solvent from solution A to that of B takes place
D. Change in temperature of solutions takes place
5 Which statement is incorrect for and ideal solution
A. The forces of attractions between solute and solvent molecules are same
B. There is no evolution or absorption of heat
C. Volume of the solution is less than sum of volumes of individual components
D. Vapour pressure of solution is directly proportional to the mole fraction of solvent
6 Which if the following has the highest freezing point at one atmosphere
A. 0.1 M NaCI
B. 0.1 M sugar solution
C. 0.1 M BaCI2
D. 0.1 M FeCI2solution
7 Saturated solution of NaCl on heating becomes
A. Super saturated
B. Unsaturated
C. Remains saturated
D. None
8 Vant Hoff's factor of Ca(NO3)2is
A. 1
B. 2
C. 3
D. 4
9 A Solution containing 6.8 g of non-ionic solute in 100g of water was found to freeze at -0.93°C. If krfor water is 1.86 and molecular mars of solute is
A. 13.6
B. 34
C. 68
D. 136
10 The molal depression constant depends upon
A. Nature of solute
B. Nature of solvent
C. Δ Hsolution
D. Vapour pressure of solution

Test Questions