Question # 1

Non-metals do not reaction with

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Strong bases

Concentrated acids

Dilute acids

Salts

Amadeo Avogadro was a _______________ scientist.

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Italian

English

Greek

Russian

The bond in covalent compound is ________________

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Covalent

Ionic

Dative

Couple

One atmospheric pressure is equal to how many pascals?

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101325

10325

106075

10523

Which radioisotope is used for the diagnosis of tumor in the body?

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cobalt-60

iodine-131

strontium-90

phosphorus-30

Which is an acceptor molecule/ion?

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N₂

O₂

H⁺

CH₄

The elements of group 17 are called:

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Carbon family

Noble gases

Alkaline earth metals

Halogen family

Which one is a solution?

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Carbonated drinks

Sugar

Benzene

Vineger

In a discharge tube, the pressure of a gas is kept at

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10-2 atm

10-4 atm

10-6 atm

10-8 atm

Which one of the following is liquid in solid solution?

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sugar in water

butter

opal

fog

Which one is largest?

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Exo

Peta

Atto

Pico

All non-metals are non-conductor of heat and electricity except it

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Phosphorous

Sulphur

Graphite

Iodine

Which one is strong electrolyte ?

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NH4OH

NaOH

a & b

Nil

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