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Sale notes online your Nr 1 Resource,for passing Exam at VCU

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  • August 3, 2023
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  • 2023/2024
  • Exam (elaborations)
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EXCEL ENGINEERING COLLEGE
(Autonomous)
DEPARTMENT OF SCIENCE AND HUMANITIES
Second Semester
20CH201 – Chemistry for Computing Sciences
20CH202-Chemistry for Electrical Sciences
Common to ECE,BME,AIDS .IT and CSE

Question Bank Year/Sem: I/II

Unit II – ENERGY STORGE DEVICES

Part- A

Q.No Question Mark CO BL
1 What is the difference between a cell and a battery? 2 CO2 R

2 Why a secondary battery is rechargeable? 2 CO2 U

3 Mention the uses of alkaline battery. 2 CO2 R

4 Differentiate a voltaic cell and a electrolytic cell. 2 CO2 AP

5 Why the density of dil.H2SO4 is decreased in the use of lead acid battery? 2 CO2 AP

6 Write the oxidation and reduction reaction in zinc and copper electrode. 2 CO2 R

7 What is an electrochemical cell? 2 CO2 R

8 Where can the primary and secondary batteries be used? 2 CO2 AP

9 Why alkaline battery is superior to the dry cell? 2 CO2 R

10 What do you mean by electrolysis? Give one example. 2 CO2 R

11 What is the use of salt bridge? Name the solution used in salt 2 CO2 U

bridge.

12 Name the improved form of dry cell. What is the cathode used? 2 CO2 U

13 How a nickel-cadmium battery is represented? 2 CO2 U

14 What are the products formed in the cell reactions of NICAD battery? 2 CO2 R

15 Mention the types of secondary lithium batteries. 2 CO2 R

16 Li battery is a cell of future. Why? 2 CO2 AP

17 Classify the following into a primary battery and a secondary battery: 2 CO2 R
Dry cell, Ni-Cd cell.
18 What is the function of a fuel cell? Give one example 2 CO2 AP

19 How many cells are present in a battery? Name the anode 2 CO2 R
used in Li-ion battery.

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