Question # 1

Which one is a solution?

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Carbonated drinks

Sugar

Benzene

Vineger

Metal can form ions carrying charges:

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Uni-positive

Di-positive

Tri-Positive

All of them

________________ orbital is more complex in shape.

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s

p

f

d

For ________________ "like dissolves like".

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Metals

Bonds

Solubility

Nil

Mendeleev periodic table was based upon the:

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electronic configuration

atomic mass

atomic number

completion of a subshell

The atomic radil of the elements in periodic table:

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increase form left to right in period

increase form top to bottom

do not change form left to right in period

decrease form top to bottom in a group

An ion is a charged particles:

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True

False

In some conditions

Never

Bucky molecules have ________________ c-atoms.

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20-60

20-90

40-60

40-100

4^th and 5^th period of the long form of periodic table are called

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short periods

Normal periods

Long periods

Very long periods

How many number of electrons take part in triple covalent bond?

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2

4

6

8

Th name of chemist who arranged all the elements in the periodic tale is :

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J.Newlands

Columb

Einstine

None of these

____________ Is drawn in wires.

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Gold

Silver

Helium

Nil

It is heterogeneous mixture

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Sand

Milk

Air

Brass

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