Question # 1

Neuron was discovered by

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Sir Willium Crooks

Goldstein

James Chadwik

Neil Bohr

A two component solution is called ____________ solutions.

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Binary

Once

Both

None

The empirical formula of glucose is

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CHO

CH2O

C2HO

CHO2

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

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Absorb

Radiate

Nothing

Nil

The SI unit of pressure is:

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N

N/m²

Pascal

atm

____________ do not conduct electricity.

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Electrolyte

Non-electrolyte

Both

Nil

Polyatomic molecules consist of _________ atoms.

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1

More than 1

Less than 1

2

Mixture has _________ types.

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3

2

1

No types

Copper extracted from its ore is ____________ % pure.

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98%

99%

96%

Nil

The mathematical formula of Charle's law is:

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PV = k

V/T = k

P = VT

T/V = k

The amount of energy given out when an electron is added to any atom is called:

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lattice energy

ionization energy

electronegative

electron affinity

Which one of the following is an electron deficient molecule?

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HN₃

BF₃

N₂

O₂

Es is symbol of :

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Erbium

Einsteinium

Europium

Fremium

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