Question # 1

Mass no is represented by :

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A

B

C

D

D-block consists of:

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4th,5th & 6th periods

2nd, 3rd & 4th periods

1st, 2nd, & 3rd periods

The mixture of two component is called .

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Homogeneous mixture

Binary solution

Both a & b

Nil

Group runs from ________________

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Top to bottom

Left to right

Top to right

Bottom to left

Which one is largest?

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Exo

Peta

Atto

Pico

The component of solution in larger amounts is ____________

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Solute

Solvent

a & b

Nil

Which one is the following belongs no Noble Gases?

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O

F

Ne

Nil

The periodic table consist of ________________ columns.

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Periods

Rows

Column

Nil

Electron ________________ energy when they jump from low to higher level.

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Absorb

Radiate

Nothing

Nil

Sodium is exterminate reactive metal, but it does not react with:

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Hydrogen

Nitrogen

Sulphur

Phosphorus

For ________________ "like dissolves like".

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Metals

Bonds

Solubility

Nil

positive ion hare formed by _________ of electrons.

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Gain

Loss

Sharing

Bonding

Atoms of elements combine chemically to form:

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Mixtures

compounds

solutions

ions

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