O Level

Chemistry MCQ Questions

O Level Chemistry MCQs - Chapter

Methods of purification MCQ with Answers p. 2

Methods of purification MCQ with answers PDF, methods of purification quiz worksheets with answers key, O level chemistry worksheet 2 for online courses. Learn dissolving, filtering and evaporating Multiple Choice Questions (MCQs), Methods of purification quiz with answers for admission and merit scholarships test. Learn dissolving, filtering and evaporating, methods of purification: sublimation, paper chromatography career test for SAT subject tests.

"While forming crystals, it is important to" Multiple Choice Questions (MCQ) on methods of purification with choices attach the gas syringes to collect fumes, evaporate to dryness to get purest possible crystals, not evaporate the water of crystallization, and use high flames for colleges that offer online courses. Practice dissolving, filtering and evaporating quiz questions for jobs' assessment test and online courses for online degree programs.

MCQs on Methods of purification

1.

While forming crystals, it is important to

evaporate to dryness to get purest possible crystals
attach the gas syringes to collect fumes
not evaporate the water of crystallization
use high flames

2.

Condensed solid produced during sublimation is

crystals
sublimate
residue
insoluble

3.

Larger crystals can be obtained if the

evaporation is at high temperature
evaporation rate is slow
evaporation rate is fast
evaporation speed remains stable

4.

Chromatography can be used to

form mixtures
change mixture compositions
separate mixtures into pure substances
none of above

5.

The phase that never gains in sublimation is

solid
liquid
gas
vapors