Question # 1

The no.of electrons in the valence shell of noble gases is

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1

6

7

8

Which one of the following is not an electrolyte?

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sugar solution

sulphuric acid solution

Lime solution

Sodium chloride solution

____________ is prevented by Metallic coating.

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NaCl

Rust

All

None of these

Which one of the following is a galvanic cell?

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Daniel cell

Nelson's cell

Down's cell

Both B and C

D-block consists of:

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4th,5th & 6th periods

2nd, 3rd & 4th periods

1st, 2nd, & 3rd periods

Which one of the following is not an electrolytic cell:

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Down cell

Galvanic cell

Nelson' cell

Both a and c

The symbol of barium is:

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Ba

Bi

Br

B

Metals from a ____________ part of earth on which we live.

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Smaller

Larger

Medium

Nil

The number of periods is:

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6

7

8

9

____________ Metals are electronegative in nature.

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Pure-

Noble-

Non-

Nil

Reduction means

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Removal of H2

Removal of electrons

Gain of electrons

Gain of O2

Which of following does not belong to p-block?

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IIIA

IVA

VA

VIB

Electropositive character depends upon:

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Atomic size

Nuclear charge

Ionization energy

Electron affinity

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