Experimental Techniques MCQs

Option A: Mother liquor

Option B: Dilute solution

Option C: Residue

Option D: both A & B

Correct Answer: Mother liquor ✔

Option A: Length of contact

Option B: Volume of contact

Option C: Area of contact

Option D: all of above

Correct Answer: Area of contact ✔

Option A: Iodine

Option B: Benzoic acid

Option C: Ammonium chloride

Option D: Potash alum

Correct Answer: Potash alum ✔

Option A: filtered

Option B: dried

Option C: decolorized

Option D: decanted

Correct Answer: filtered ✔

Option A: 2

Option B: 3

Option C: 4

Option D: 5

Correct Answer: 4 ✔

Option A: Filtrate residue

Option B: Sublimate sublimation

Option C: Drying desiccator

Option D: Separating funnel mother liquor

Correct Answer: Sublimate sublimation ✔

Option A: absorption

Option B: adsorption

Option C: filtration

Option D: sublimation

Correct Answer: filtration ✔

Option A: Stationary phase

Option B: Mobile phase

Option C: Dynamic phase

Option D: Static phase

Correct Answer: Mobile phase ✔

Option A: Mobile phase

Option B: Stationary phase

Option C: Mixed phase

Option D: Single phase

Correct Answer: Stationary phase ✔

Option A: Filter paper

Option B: Vacuum desiccators

Option C: Oven

Option D: None of these

Correct Answer: Vacuum desiccators ✔

Option A: Crystallization

Option B: Sublimation

Option C: Solvent extraction

Option D: Filtration

Correct Answer: Solvent extraction ✔

Option A: Polar solvent used

Option B: Combination of solvents used

Option C: Their different distribution coefficients in the solvent

Option D: Distributive law

Correct Answer: Their different distribution coefficients in the solvent ✔

Option A: Quantitative analysis

Option B: Qualitative analysis

Option C: Stoichiometry

Option D: Physical chemistry

Correct Answer: Qualitative analysis ✔

Option A: Crystallization

Option B: Filtration

Option C: Sublimation

Option D: Solvent extraction

Correct Answer: Sublimation ✔

Option A: Inconsistent flow of filtration

Option B: splashing

Option C: premature crystallization

Option D: all of above

Correct Answer: splashing ✔

Option A: solution

Option B: amount of insoluble solute

Option C: amount of soluble solute

Option D: Amount of solvent

Correct Answer: amount of insoluble solute ✔

Option A: Gooch crucible

Option B: Filter paper

Option C: Sintered crucible

Option D: All of the above

Correct Answer: Filter paper ✔

Option A: needed

Option B: avoided

Option C: depends on temperature

Option D: crystallization does not involve heating

Correct Answer: avoided ✔

Option A: water

Option B: iodine

Option C: hydrochloric acid

Option D: gases

Correct Answer: water ✔

Option A: oxidizing agent

Option B: reducing agent

Option C: drying agent

Option D: colouring agent

Correct Answer: drying agent ✔

Option A: Fast process

Option B: Slow process

Option C: Rapid process

Option D: All are possible

Correct Answer: Slow process ✔

Option A: Solvent extraction

Option B: sublimation

Option C: crystallization

Option D: vaporization

Correct Answer: sublimation ✔

Option A: Red colour

Option B: Purple colour

Option C: Blue colour

Option D: Yellow colour

Correct Answer: Purple colour ✔

Option A: heating

Option B: sublimation

Option C: cooling

Option D: vaporization

Correct Answer: sublimation ✔

Option A: impurities

Option B: crystals

Option C: solvents

Option D: both A & B

Correct Answer: impurities ✔

Option A: Retardation factor

Option B: Distribution co-efficient

Option C: Distribution in aqueous solution

Option D: All statements are wrong

Correct Answer: Distribution co-efficient ✔

Option A: methylated spirit

Option B: wood spirit

Option C: rectified spirit

Option D: absolute alcohol

Correct Answer: rectified spirit ✔

Option A: Filtration

Option B: Sublimation

Option C: Crystallization

Option D: Solvent extraction

Correct Answer: Solvent extraction ✔

Option A: vapourization

Option B: solvent extraction

Option C: filtration

Option D: crystallization

Correct Answer: crystallization ✔

Option A: Plastic

Option B: glass

Option C: porcetain

Option D: fiber

Correct Answer: glass ✔

Option A: plastic

Option B: fibre

Option C: porcelain

Option D: steel

Correct Answer: porcelain ✔

Option A: Insoluble particles

Option B: residue

Option C: crystals

Option D: mud

Correct Answer: residue ✔

Option A: Quantitative analysis

Option B: Qualitative analysis

Option C: Stochiometery

Option D: Physical chemistry

Correct Answer: Quantitative analysis ✔

Option A: Stoichio chemistry

Option B: Physical chemistry

Option C: Analytical chemistry

Option D: Quantum chemistry

Correct Answer: Analytical chemistry ✔

Option A: Adsorption chromatography

Option B: Ascending chromatography

Option C: Radial chromatography

Option D: Descending chromatography

Correct Answer: Ascending chromatography ✔

Option A: Melting

Option B: Sublimation

Option C: Decomposition

Option D: Condensation

Correct Answer: Sublimation ✔

Option A: Filter hot solution

Option B: Avoid premature crystallization

Option C: Increase the rate of filtration

Option D: Decrease the area

Correct Answer: Increase the rate of filtration ✔

Option A: Filtration

Option B: Crystallization

Option C: Solvent extraction

Option D: Chromatography

Correct Answer: Filtration ✔

Option A: Shape

Option B: Phase

Option C: Mechanism

Option D: All

Correct Answer: All ✔