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Chemistry

Chemistry
The strongest oxidizing agent among the following is:

Fluorine
Chlorine
Iodine
Oxygen

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Chemistry
An element of atomic no. 29 belongs to

P-block
F-block
S-block
D-block

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Chemistry
The most suitable unit for expressing nuclear radius is :

Fermi
Angstrom
Micron
Nanometre

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Chemistry
Which of the following is used for refrigeration?

Phosphine
Sulphur dioxide
Chlorine
Freon

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Chemistry
Interveinal necrotic spots on leaves appear due to

SO2injury
O3injury
HF injury
NO2injury

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Chemistry
The molecular formula of phosphorous is

P1
P2
P4
P3

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MORE MCQ ON Chemistry

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