Question # 1

The value of Planck's constant is

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6.63 x 10-34 Js

6.63 x 10-32 Js

6.63 x 10-30 Js

6.63 x 10-28 Js

The absolute zero means:

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273.15 °C

-273.15 °C

0 °C

-373.15 °C

Metal can form ions carrying charges:

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Uni-positive

Di-positive

Tri-Positive

All of them

Which one is moderate reactive metal?

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Pb

Na

Ca

Mg

Mixture has _________ types.

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3

2

1

No types

Which of the following can accommodate 18 electrons?

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K

L

M

N

Protons carry _________ charge.

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+

_

No

Neutral

The mixture of two component is called .

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Homogeneous mixture

Binary solution

Both a & b

Nil

________________ is the shortest period.

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6th

8th

2nd

1st

Tyndall effect is due to:

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block of beam of light

non - scattering of beam of light

scattering of beam of light

passing through beam of light

________________ solids are hard.

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Ionic

Covalent

Coordinate

Nil

The right most position in the periodic table is occupied by:

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Alkall metals

Alkaline earth metals

Translation metals

Noble gasses

Amadeo Avogadro was a _______________ scientist.

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