Question # 1

The repetition of a property after a certain interval is:

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Periodicity

Properties

Periodicity of properties

None

Which one of the following solution contains more water?

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2M

IM

0.5M

0.25M

The bound between ionic compound is ............ .

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Covalent

Co-ordinate

Ionic

Nil

The isotopes C-12 is present in abundance of:

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96.6%

97.6%

99.7%

None of these

Atoms are arranged in ________________ structure in Bucky balls.

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Hollow

Cage

A & B

Nil

Sodium - potassium alloy is used in nuclear reactor as a:

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catalyst

coolant

reactant

absorber

____________ is prevented by Metallic coating.

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NaCl

Rust

All

None of these

Which molecule has single covalent bond?

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O₂

N₂

CI₂

CO₂

The other name of modern periodic table is ________________ of periodic table.

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Long form

Simplified

Simplest

Nil

Gases have ____________ shape.

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Fixed

Not Fixed

Nil

Both a & b

Solids are fixed ____________

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Shape

Velocity

Mass

Atoms

The cathode of Daniel cell is made up of

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Zn

Cu

AI

C

Sort out a compound from the following

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Air

Salt

Ice-cream

Iron

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