Question # 1

In the redox reaction between zn and HCI. the oxidizing agent is:

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zn

H⁺

C

H²

It is a good reducing agent

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Fe

H

C

O

____________ do not conduct electricity.

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Electrolyte

Non-electrolyte

Both

Nil

Formation of water form hydrogen and oxygen is:

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Redox reaction

Acid-base reaction

Neutralization

Decomposition

Addition of OXYGEN is called.

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Reduction

Conduction

Oxidation

Nil

The cathode of Daniel cell is made up of

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Zn

Cu

AI

C

Gain of electrons in a reaction is called ____________reaction.

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Oxidation

Reduction

Both

Nil

Which is used for industrial manufacture of NaCI?

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Daniel cell

Down's cell

Nelson's cell

None of these

Which one of the following is not an electrolytic cell:

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Down cell

Galvanic cell

Nelson' cell

Both a and c

Brine is an aqueous solution of

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NaCI

NaOH

AgNO3

CaO

During the formation of water from hydrogen and oxygen, which of the following does not occur?

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Hydrogen has oxidized

oxygen has reduced

oxygen gains electrons

hydrogen behaves as oxidizing agent

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