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Chemistry Fsc Part 1 Chapter 2 Online Test MCQs With Answers

Question # 1

The drying agent used in a desiccator.

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Agcl

NH4Cl

P2O5

AlCl3

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Question # 2

Which of the following substances is used as decolorizing agent.

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Silica gel

Animal charcoal

conc. H2SO4

Asbestos

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Question # 3

The paper at which separation of solute have been taken place is called.

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Retardation factor

Chromatogram

Base line

Solvent front

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Question # 4

One of the following substances does not undergo sublimation

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KMnO₄

Naphthalene

NH₄CI

Iodine

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Question # 5

Solvent extraction method is a particularly useful technique for separation when the product to be separated is.

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Non volatile or thermally unstable

Volatile or thermally stable

Non volatile or thermally stable

Volatile or thermally unstable

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Question # 6

NaCI and sand can be separated by one of the following without filtration

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Formation of solution and filtration

Formation of solution and evaporation without filtration

Sublimation

Chromatiograghy

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Question # 7

Which one is not example of a sublimate.

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NH4Cl

NaCl

Benzoic Acid

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Question # 8

To achieve a good separation, the two liquids are gently shaken to increase their area of.

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Miscibility

Separation

contact

Solubility

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Question # 9

Repeated extraction using small portions of solvent are more.

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Accurate

efficient

Slow

Rapid

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