Group IIIA… | NUST Entrance Test Chemistry

Borax bead test is used to separate

Difficulty: Easy

A:

Metallic cations

B:

Metallic anions

C:

Non-metallic cations

D:

Non-metallic anions

Which element among the following forms a protective oxide coating on exposure to air?

Difficulty: Easy

A:

Nitrogen

B:

Aluminum

C:

Boron

D:

Lithium

Which one is not a type of Boric Acid?

Difficulty: Easy

A:

Orthoboric Acid

B:

Metaboric Acid

C:

Nanoboric acid

D:

Pyroboric acid

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