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MCQ's Test For ECAT Chemistry Chapter 7 Thermo Chemistry
Try The MCQ's Test For ECAT Chemistry Chapter 7 Thermo Chemistry
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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 7 Thermo Chemistry
00:00
Question # 1
A state function is a
Question # 2
If an endothermic reaction is allowed to take place very rapidly in air, the temperature of the surrounding air :
Question # 3
The energy units in which heat changes usually expressed in SI-system are
Question # 4
A process which takes place on its own without any outside assistance and moves from a non-equilibrium stat towards an equilibrium stat is termed as:
Question # 5
If an endothermic reaction is allowed to take place very rapidly in the air, the temperature of the surrounding air:
Question # 6
In endothermic reactions, the heat contents of the surrounding air
Question # 7
Which one of the following is not related to spontaneous process
Question # 8
The subject matter of first law of thermochemistry is based on:
Question # 9
The study of heat changes accompanying a chemical reaction is known as
Question # 10
The change in heat energy of a chemical reaction at constant temperature and pressure is called
Question # 11
The majority of reactions which give stable products are:
Question # 12
The real or imaginary surface separating the system from the surrounding is called
Question # 13
It is noticed that energy in the form of heat is either evolved or absorbed as a result of a
Question # 14
Enthalpy of neutralization of all the strong acids and strong bases has the same value because:
Question # 15
A process which takes place on its own without any outside assistance and moves from a non-equilibrium state towards an equilibrium state is termed as
Question # 16
The reaction of Zinc with copper sulphate solution is an example of
Question # 17
One mole of oxygen confined in a cylinder fitted with a piston is an example of
Question # 18
For a given process, the heat changes at constant volume ( qv)are related to other as:
Question # 19
For the reaction : NaOH + HCl---------------> NaCl + H2O the change in enthalpy is called:
Question # 20
In a chemical change, the energy in the form of heat will either be evolved or absorbed and this is called
Question # 21
Reaction between Zn and CuSO4can be called a system under
Question # 22
Which of the following statements is contrary to the first law of themodynamics
Question # 23
Work is a
Question # 24
A reaction will also be called a spontaneous if
Question # 25
When no work is done by the system
Question # 26
If an endothermic reaction is allowed to take place very rapidly in air, the temperature of the surrounding air
Question # 27
The majority of reactions which give stable products are
Question # 28
Some non-spontaneous processes can be made to take place by supplying energy to the system from
Question # 29
By comparing both initial and final states of the system, we can describe the change taking place in the
Question # 30
By state, we mean the
Top Scorers Of ECAT Chemistry Chapter 7 Thermo Chemistry MCQ`s Test
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M M Umer Arain 12 - Nov - 2024 00 Min 13 Sec 120/120 -
A Abdullah Zubair 21 - Dec - 2024 02 Min 34 Sec 120/120 -
T Tanzeel Ur Rehman 28 - May - 2024 03 Min 19 Sec 115/120 -
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M Muntasir Khokhar 21 - May - 2024 03 Min 47 Sec 105/120 -
S Shazi Ansari 05 - Jun - 2024 02 Min 35 Sec 100/120 -
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M Masood Muneer 26 - May - 2024 04 Min 50 Sec 100/120 -
T Tamshi Sohail 19 - Apr - 2024 10 Min 44 Sec 100/120 -
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H hadia ejaz 29 - May - 2024 11 Min 27 Sec 90/120 -
R Rashida Latif 09 - Jan - 2025 04 Min 07 Sec 85/120 -
T talha talha 25 - Apr - 2024 05 Min 36 Sec 85/120 -
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M muhammad aftab 27 - Mar - 2026 10 Min 44 Sec 84/120
ECAT Chemistry Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The energy units in which heat changes usually expressed in SI-system are |
A. Joule
B. Calorie
C. Kilo Joule
D. Both a and c
|
| 2 | When a piece of zinc is added to the copper sulphate solution, _______ colour of solution disappear |
A. Pink
B. Purple
C. Blue
D. Brown
|
| 3 | The change in heat energy of a chemical reaction at constant temperature and pressure is called : |
A. Enthalpy change.
B. Seat of sublimation.
C. Bind energy.
D. Internal energy change.
|
| 4 | Some non-spontaneous processes can be made to take place by supplying energy to the system from |
A. Internal source
B. Any source
C. External source
D. All of above
|
| 5 | The change in heat energy of a chemical reaction at constant temperature and pressure is called |
A. entahlpy change
B. heat of sublimation
C. bond energy
D. internal energy change
|
| 6 | The study of heat changes accompanying a chemical reaction is known as : |
A. Thermochemistry.
B. Biochemistry.
C. Physical chemistry.
D. Analytical chemistry.
|
| 7 | A process which takes place on its own without any outside assistance and moves from a non-equilibrium stat towards an equilibrium stat is termed as: |
A. Spontaneous process.
B. Natural process.
C. Non-Spontaneous process.
D. Both (a) and (b).
|
| 8 | When a piece of zinc is added to the copper sulfate solution,____________ color of solution disappear. |
A. Pink.
B. Purple.
C. Blue.
D. Brown.
|
| 9 | Work is a |
A. State function
B. Only function
C. Non-state function
D. State
|
| 10 | Which of the following statements is contrary to the first law of thermodynamics? |
A. Energy can neither be created no destroyed.
B. One form of energy can be transferred into an equivalent amount of the kinds of energy.
C. In a adiabatic process, the work done is independent of its path.
D. Continuous production of mechanical work without supplying an equivalent amount of heat is possible.
|
Test Questions