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Chemistry

Chemistry
Plastic is a type of

None of these
Polymer
Acrylic
Polyester

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Chemistry
Poison used for killing rats is

Calcium phosphide (Ca3P2)
Magnesium phosphide (Mg3P2)
Magnesium nitride (Mg3N2)
Zinc phosphide (Zn3P2)

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Chemistry
The ionic radii of N3-, O2-, F- and Na+ follows the order

Na+ > O2- > N3- > F-
N3- > Na+ > O2- > F-
N3- > O2- > F- > Na+
O2- > F- > Na+ > N3-

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Chemistry
The example of oligosaccharide is

Cellulose
Sucrose
Ribose
Glucose

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Chemistry
Iodine can be separated from a mixture of Iodine and Potassium Chloride by

Sublimation
Filtration
Distillation
Sedimentation

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Chemistry
The process which does not evolve CO2 in air is

Breathing
Photosynthesis
Organic delay
Burning

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