EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

When two plates of different metals are placed in an electrolyte, the developed emf between them depends on

50% studentsanswered this correctly

Important Questions on Chemistry

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 10
The conduction of electricity through the electrolyte solution is due to?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 11

Consider the following statements regarding a motor car battery:

1. The voltage is usually 12 V.

2. The electrolyte used is hydrochloric acid.

3. Electrodes are lead and copper.

4. Capacity is expressed in ampere-hour.

Which of the above statements are correct?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 12

Consider the following statements:

1. The Galvanic cell converts chemical energy into electrical energy.

2. In a galvanic cell, the electron flow from anode to cathode occurs through the external circuit.

3. The Galvanic cell converts metal from its elemental state to the combined state.

Which of the statements given above is/are correct?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 13

When an acid cell is charged, then:   

 

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 14
The advantage of using fuel cell in a motor car could be
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 15
The internal resistance of a dry cell is
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 16
Which one among the following metals is more reactive than hydrogen?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 10 - Chemistry>Exercise 8>Q 17
To protect iron against corrosion the most durable metal plating on it is?