UET LAHORE SAMPLE CHEMISTRY QUESTIONS

University of Engineering & Technology (UET) Lahore stands among top Engineering Universities of Pakistan. UET is providing best theoretical and practical education which helps students to get good jobs after completing education from UET. Every student desire to get admission in UET due to its ranking and excellent education system. However getting admission in UET Lahore is not an easy task because there are limited number of seats available and everyone wants to study in UET which led the competition very high.  UET merit is always high due to access number of application. Only those students can secure admission in UET who performed well in ECAT test. To get admission in UET students have to appear in ECAT test.  ECAT test will consist of Physics, English, Math’s and Chemistry MCQ’s.

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Topic:

Electrochemistry

Question:

A cell in which spontaneous red-ox reaction generates an electric current is called?

Options:

  • Electrolytic cell
  • Electrochemical cell
  • Voltaic and galvanic cell
  • Biological cell

Correct Option:

Voltaic and galvanic cell

Explanation:

A galvanic cell, or voltaic cell is an electrochemical cell that derives electrical energy from spontaneous red-ox reactions taking place within the cell. It generally consists of two different metals connected by a salt bridge, or individual half-cells separated by porous membrane.

Topic:

Transition Elements

Question:

Which has least melting point among given list?

Options:

  • Zn
  • Co
  • V
  • W

Correct Option:

Zn

Explanation

Zn has least melting point. As binding energy strengthens, the melting point increases. Binding energy depends upon number of unpaired electrons and Zn has zero unpaired electron. Therefore it has least melting point amongst transition elements.

Topic:

Chemical Equilibrium

Question:

2HI —> H2 + I2 is a reversible reaction. It is not affected by which of the following?

Options:

  • Temperature
  • Catalyst
  • Volume
  • Pressure

Correct Option:

Pressure

Explanation:

Since in this reaction the number of moles of the products formed are same as the number of moles of reactants. So there will be no effect of pressure.

Change in volume would affect the equilibrium e.g. if we increase the volume of H2 only, the reaction equilibrium will move toward reactant.

Temperature and catalyst also affect the equilibrium.

SAMPLE PHYSICS QUESTIONS

SAMPLE CHEMISTRY QUESTIONS

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