ECAT Chemistry Chapter 7 Thermo Chemistry With Answers

ECAT Chemistry Chapter 7 Thermo Chemistry

Sr. # Questions Answers Choice
1 Some Non-spontaneous process can be made to take place by supplying energy to the system from : Internal source. Any source. External source. All of above.
2 Burning of coal and hydrocarbon in air are examples of : Non-spontaneous reaction. Spontaneous reaction. Natural reaction Both (a) and (C)
3 A reaction will also be called a spontaneous if : It does no need energy to start with. It needs energy to carry the whole process. It needs energy at the end of reaction. It needs energy to stat with.
4 The reaction of zinc with the copper sulfate solution is an example of. Oxidation reduction reaction. Spontaneous reaction. Spontaneous redox reaction. Non-spontaneous reaction.
5 When a piece of zinc is added to the copper sulfate solution,____________ color of solution disappear. Pink. Purple. Blue. Brown.
6 Neutralization of a strong acid with a strong abase is: Natural acid base reaction. Artificial acid base reaction. Spontaneous acid base reaction. Both (a) and (c).
7 Which one of the following is not related to spontaneous process. <p class="MsoNormal"><span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">Unidirectional.</span><sup><o:p></o:p></sup></p> Real. <p class="MsoNormal"><span style="font-size: 10.5pt; line-height: 107%; font-family: Arial, sans-serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">Irreversible.</span><o:p></o:p></p> Artificial.
8 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: Spontaneous process. Natural process. Non-Spontaneous process. Both (a) and (b).
9 The subject matter of first law of thermochemistry is based on: First law of Themochemistry. First law of Thermodynamics. Second law of Themochemistry. Second law of Thermodynamics.
10 The energy units in which heat changes usually expressed in Sl-system are: Joule. Calorie. Kilo Joule. Both (a) and (c)
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