Question # 1

positive ion hare formed by _________ of electrons.

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Gain

Loss

Sharing

Bonding

The simplest of these has formula:

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C60

C10

V20

C30

Which one of the following shell consists of three subshells?

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K- shell

M-Shell

L-shell

M-shell

Oxygen is ___________

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Metals

Non-metals

Gas

b & c

Diamonds exists in ____________ form.

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Cubic

Linear

Circular

Nil

Which one of the following is the weakest force among the atom?

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ionic force

metallic force

intermolecular force

covalent force

Es is symbol of :

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Erbium

Einsteinium

Europium

Fremium

D-block consists of:

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4th,5th & 6th periods

2nd, 3rd & 4th periods

1st, 2nd, & 3rd periods

Which one is strong electrolyte ?

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NH4OH

NaOH

a & b

Nil

Atoms are made of sub _________

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Atoms

Molecules

Charge

Atomic particles

................. can be decomposed into simpler substanmce.

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Compound

Element

Solution

Mixture

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

The repetition of a property after a certain interval is:

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Periodicity

Properties

Periodicity of properties

None

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