Question

[4]
Q.4. Complete the following sentences:
a) An electrochemical cell is a device that converts_______
b) When the filament of an electric bulb is broken_______,
As a result of this
electric current stops flowing and the bulb does not glow.
c) Degenerative diseases arise due to_______
d) A simple voltaic cell consists of two metal plates made of________
​

Answer 1

Answer:

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Explanation:

a) Fuel cells are electrochemical device that converts the chemical energy stored in hydrogen into electricity.

b) When the filament of an electric bulb is broken then the connection get cutted and bulb does not get heated , As a result of this electric current stops flowing and the bulb does not glow.

C) Degenerative diseases arise due to peripheral nervous system lose function over time and ultimately die.

D) Made of immersing one zinc plate and one copper plate inside the water diluted sulphuric acid solution.

Answer 2

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Explanation:

Fuel cells are electrochemical device that converts the chemical energy stored in hydrogen into electricity.

b) When the filament of an electric bulb is broken then the connection get cutted and bulb does not get heated , As a result of this electric current stops flowing and the bulb does not glow.

C) Degenerative diseases arise due to peripheral nervous system lose function over time and ultimately die.

D) Made of immersing one zinc plate and one copper plate inside the water diluted sulphuric acid solution.

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