Question # 1

Which has biger particles?

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Solutions

Colloids

Suspensions

True solutions

The fundamental unit of elements is ___________

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Molecule

Atom

Matter

Mixture

The solution in which one component is aqueous ____________ solution.

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Aqueous

Binary

All

None

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

H2O is what type of molecules it is:

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Manoatomic

Polyatomic

Pentaatomic

Nil

When temperature of water drops to ____________ °C it convert onto ice.

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0

-2

-1

1

The no.of neutrons in deutrium is

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1

2

3

4

Metals are covered by using.

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Baeyer's test

Bohr's

Electrolysis

None

____________ solids are arranged in 3 dimension.

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Crystalline

Amorphous

Both

None

Which one of the following halogen has lowest electronegative?

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fluorine

chlorine

bromine

iodine

____________ Is drawn in wires.

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Gold

Silver

Helium

Nil

Bucky balls are ____________ allotropic forms of carbon.

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1st

2nd

3rd

4th

___________ is used in treatment of cancer.

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Cobalt-60

C-12

H-3

Nil

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