Question # 1

The cathode of Daniel cell is made up of

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Zn

Cu

AI

C

Electrolyte is ____________ solid form.

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in

Sometimes in

Never in

Always in

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

Brine is an aqueous solution of

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NaCI

NaOH

AgNO3

CaO

____________ agents gains electrons in chemical reaction.

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Reduction

Oxidation

Both

None of these

____________ cell is made of two half of cells.

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Zinc cell

Galvanic

Both

All

Which one is not a property of electrolytic cell?

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It consists of one complete cell

Anode has +ve charge

It converts electrical energy into chemical one

Anode has -ve charge

____________ are good conductors of electricity.

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Covalent compound

Metals

Both

None of these

Films are coated by special chemical known as ____________ detectors.

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Photographic

Image

Nil

Both

The branch of chemistry which deals with inter conversion of electrical & chemical energy is:

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Biochemistry

Electrochemistry

Organic chemistry

None of these

Which is used for industrial manufacture of NaCI?

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Daniel cell

Down's cell

Nelson's cell

None of these

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