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Group VA and VIA Elements - Set 1
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NUST Entrance Test
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Chemistry
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Group VA and VIA Elements
Set 1
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Mashaal Masha
Oct 20, 2022
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Choose the correct options for the following questions.
Which of the following does not occur in Free State?
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Difficulty: Easy
A:
Nitrogen
B:
Phosphorous
C:
Oxygen
D:
Sulphur
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Chemical formula of laughing gas is
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Difficulty: Easy
A:
$\rm{NH_{4}}$
B:
$\rm{NO}$
C:
$\rm{N_{2}O}$
D:
$\rm{NO_{3}}$
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Set 2
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