Question # 1

The absolute zero means:

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273.15 °C

-273.15 °C

0 °C

-373.15 °C

Air is an example of:

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Gas in gas

Solid in gas

Liquid in gas

Gas in ;iquid

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

Electron _____________ energy when thy jump from higher to lower level.

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Absorb

Radiate

Nothing

Nil

..................... is property of metals.

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Gases

Lustrous

Solids

Nil

In period, ionization energy of elements

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Increases

Decreases

Remains constant

None of these

Which of the following is less malleable?

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Sodium

Iron

Gold

Sliver

Oxygen is ___________

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Metals

Non-metals

Gas

b & c

The mathematical formula of Charle's law is:

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PV = k

V/T = k

P = VT

T/V = k

All are noble metals except:

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Silver

Gold

Hydrogen

Platinum

In the redox reaction between zn and HCI. the oxidizing agent is:

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zn

H⁺

C

H²

"×" & "." Represent:

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Shells

Neutrons

Electrons

Atoms

Intermolecular forces are of three types and are collectively called ____________

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Nelson' forces

Vander Waal's forces

Neurons

Nil

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