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Group VA and… | NUST Entrance Test Chemistry | ClassNotes

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NUST Entrance Test
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Group VA and VIA Elements

Set 1

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MM

Mashaal Masha

Oct 20, 2022

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$Which of the following does not occur in Free State?$
$Chemical formula of laughing gas is$
$$\rm{H_{3}PO_{3}}$ is a$

Choose the correct options for the following questions.

Which of the following does not occur in Free State?

Difficulty: Easy

A:

Nitrogen

B:

$\rm{H_{3}PO_{3}}$ is a

C:

Oxygen

D:

Sulphur

Chemical formula of laughing gas is

Difficulty: Easy

A:

\rm{NH_{4}}

B:

\rm{NO}

C:

\rm{N_{2}O}

D:

\rm{NO_{3}}

$\rm{H_{3}PO_{3}}$ is a

Difficulty: Easy

A:

Weak reducing agent

B:

Strong reducing agent

C:

Weak oxidizing agent

D:

Strong oxidizing agent

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postGroup VA and VIA Elements - Set 2