MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
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Assertion (A) For a galvanic cell, oxidation takes place at anode and reduction at cathode.

Reason (R) Electrons in the external circuit move from anode to cathode.

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Important Questions on Chemistry

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 22

Consider the following statements The electrochemical series helps

1. in extraction of metals

2. in protecting the metal from corrosion

3. in comparing the reactivity of metals

Which of the above is/are true?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 23
When items or jewellery made of metals such as copper or nickel are placed in a solution having a salt of gold, a thin film of gold is deposited by_____.
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 24
In an electrochemical cell that functions as a voltaic cell
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 25
When a lead storage battery is discharged
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 26
Anode mud is a
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 27
On the basis of position in the electrochemical series, the metal which does not displace hydrogen from water and acid is
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 28
Corrosion is basically?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 29
A conductivity cell is platinised