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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
If an endothermic reaction is allowed to take place very rapidly in air, the temperature of the surrounding air
Question # 2
By state, we mean the
Question # 3
The majority of reactions which give stable products are
Question # 4
It is noticed that energy in the form of heat is either evolved or absorbed as a result of a
Question # 5
Burning of coal and hydrocarbon in air are examples of
Question # 6
The study of heat changes accompanying a chemical reaction is known as
Question # 7
Neutralization of a strong acid with a strong abase is:
Question # 8
Burning of coal and hydrocarbon in air are examples of :
Question # 9
The energy units in which heat changes usually expressed in SI-system are
Question # 10
If an endothermic reaction is allowed to take place very rapidly in the air, the temperature of the surrounding air
Question # 11
When a piece of zinc is added to the copper sulphate solution, _______ colour of solution disappear
Question # 12
Calorie is equivalent to
Question # 13
Which one of the following is not related to spontaneous process.
Question # 14
Reaction between Zn and CuSO4can be called a system under
Question # 15
The change in heat energy of a chemical reaction at constant temperature and pressure is called :
Question # 16
When a piece of zinc is added to the copper sulfate solution,____________ color of solution disappear.
Question # 17
Enthalpy of neutralization of all the strong acids and strong bases has the same value because:
Question # 18
The net heat change in a chemical reaction is same, whether it is brought about in two or more different ways in one or several steps. It is known as:
Question # 19
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 # 20
By comparing both initial and final states of the system, we can describe the change taking place in the
Question # 21
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 # 22
When no work is done by the system
Question # 23
The subject matter of first law of thermochemistry is based on
Question # 24
The majority of reactions which give stable products are:
Question # 25
Which of the following statements is contrary to the first law of thermodynamics?
Question # 26
Work is a
Question # 27
If an endothermic reaction is allowed to take place very rapidly in the air, the temperature of the surrounding air:
Question # 28
In a chemical change, the energy in the from of heat will either be evolved or absorbed and this is called:
Question # 29
The subject matter of first law of thermochemistry is based on:
Question # 30
The change in heat energy of a chemical reaction at constant temperature and pressure is called
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 -
F Fatima Tabassum 16 - Jan - 2025 02 Min 21 Sec 110/120 -
M Maryam Fatima 18 - Mar - 2024 02 Min 24 Sec 105/120 -
M Muntasir Khokhar 21 - May - 2024 03 Min 47 Sec 105/120 -
S Shazi Ansari 05 - Jun - 2024 02 Min 35 Sec 100/120 -
S Sania Iqbal 14 - May - 2024 04 Min 47 Sec 100/120 -
M Masood Muneer 26 - May - 2024 04 Min 50 Sec 100/120 -
T Tamshi Sohail 19 - Apr - 2024 10 Min 44 Sec 100/120 -
U Umar Saeed 30 - May - 2024 03 Min 38 Sec 90/120 -
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 -
S Shajee Haroon 10 - May - 2024 08 Min 54 Sec 85/120
ECAT Chemistry Chapter 7 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Neutralization of a strong acid with a strong base is |
A. Natural acid base reaction
B. Artificial acid base reaction
C. Spontaneous acid base reaction
D. both a and c
|
| 2 | The study of heat changes accompanying a chemical reaction is known as |
A. Thermochemistry
B. Biochemistry
C. Physical chemistry
D. Analytical chemistry
|
| 3 | A state function is a |
A. Microscopic property
B. Macroscopic
C. Unique property
D. Both a and c
|
| 4 | For the reaction : NaOH + HCl---------------> NaCl + H2O the change in enthalpy is called: |
A. Heat of reaction.
B. Heat of formation.
C. Heat of neutralization.
D. Heat of combustion.
|
| 5 | The majority of reactions which give stable products are |
A. Exothermic
B. Isothermal
C. Endothermic
D. Both a and c
|
| 6 | When a system absorbs energy, the sign of delta E is |
A. Neither positive nor negative
B. Negative
C. Positive
D. None of above
|
| 7 | A reaction will also be called a spontaneous if : |
A. It does no need energy to start with.
B. It needs energy to carry the whole process.
C. It needs energy at the end of reaction.
D. It needs energy to stat with.
|
| 8 | The net heat in a chemical reaction is same, whether it is brought about in two or more different ways in one or several steps. It is known as |
A. Henry's law
B. Joule's princile
C. Hess's law
D. law of conservation of energy
|
| 9 | For a given process, the heat changes at constant volume ( qv)are related to other as: |
A.
qp= qv
B.
qp<qv
C.
qp>qv
D.
qp=qv/2 |
| 10 | The subject matter of first law of thermochemistry is based on |
A. First law of Thermochemistry
B. First law of Thermodynamics
C. Second law of Thermochemistry
D. Second law of Thermodynamics
|
Test Questions
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